Python: Bump google-cloud-aiplatform from 1.89.0 to 1.91.0 in /python (#11894)

Bumps
[google-cloud-aiplatform](https://github.com/googleapis/python-aiplatform)
from 1.89.0 to 1.91.0.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/googleapis/python-aiplatform/releases">google-cloud-aiplatform's
releases</a>.</em></p>
<blockquote>
<h2>v1.91.0</h2>
<h2><a
href="https://github.com/googleapis/python-aiplatform/compare/v1.90.0...v1.91.0">1.91.0</a>
(2025-04-30)</h2>
<h3>Features</h3>
<ul>
<li>Add Model Garden deploy SDK documentation and use cases. (<a
href="https://github.com/googleapis/python-aiplatform/commit/6eea5f4fc05444cf47609fbe4da9038d5fa6ac29">6eea5f4</a>)</li>
<li>Allow setting Vertex Model Garden source model version id during
model upload (<a
href="https://github.com/googleapis/python-aiplatform/commit/b1bbba6f94a86fdc711c59bfc248abe544c3da09">b1bbba6</a>)</li>
<li>GenAI - Add support for self-hosted OSS models in Batch Prediction.
(<a
href="https://github.com/googleapis/python-aiplatform/commit/c76ac624a4b708dc5980ec64eb52661eb7c8061d">c76ac62</a>)</li>
<li>GenAI - Support batch prediction in Model Garden OpenModel. (<a
href="https://github.com/googleapis/python-aiplatform/commit/8bf30b74828c976e315879d9a7b61cb718e1bcfe">8bf30b7</a>)</li>
<li>Update upperbound for langgraph (<a
href="https://github.com/googleapis/python-aiplatform/commit/547bf01410647b104c6b8134d57b8c27847558b4">547bf01</a>)</li>
</ul>
<h3>Bug Fixes</h3>
<ul>
<li>Removing Python 3.8 support due to EOL (<a
href="https://github.com/googleapis/python-aiplatform/commit/4330b2fc2860eb38986937a81f4919059775137a">4330b2f</a>)</li>
</ul>
<h2>v1.90.0</h2>
<h2><a
href="https://github.com/googleapis/python-aiplatform/compare/v1.89.0...v1.90.0">1.90.0</a>
(2025-04-22)</h2>
<h3>Features</h3>
<ul>
<li>Add <code>pydantic</code> to default required packages for agent
engines (<a
href="https://github.com/googleapis/python-aiplatform/commit/6960ae4fb2e3fadd755b7725859f66f29d6498b4">6960ae4</a>)</li>
<li>Introduce a ModuleAgent template to Agent Engine (<a
href="https://github.com/googleapis/python-aiplatform/commit/5efcd6b1d42d477220674ee7d3dc97594b02c03f">5efcd6b</a>)</li>
</ul>
<h3>Bug Fixes</h3>
<ul>
<li>Broken import of VertexAiSessionService in AdkApp (<a
href="https://github.com/googleapis/python-aiplatform/commit/b84657a97404477d93d5010e03e36a777bbbb373">b84657a</a>)</li>
<li><strong>deps:</strong> Allow werkzeug 3.x (<a
href="https://github.com/googleapis/python-aiplatform/commit/0cb2b93cbebdb51982e7890f7d6c565110f0b50e">0cb2b93</a>)</li>
<li>Pin pydantic version lower-bound limit to 2.11.1 to fix a pydantic
dependency issue. (<a
href="https://github.com/googleapis/python-aiplatform/commit/a5c113022d2471e66945db45a93a762256ccaede">a5c1130</a>)</li>
<li>Pin pydantic version lower-bound limit to 2.11.1 to fix a pydantic
dependency issue. (<a
href="https://github.com/googleapis/python-aiplatform/commit/180cbbaca017a5e0e3a082652520e9ba489b0e0b">180cbba</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/googleapis/python-aiplatform/blob/main/CHANGELOG.md">google-cloud-aiplatform's
changelog</a>.</em></p>
<blockquote>
<h2><a
href="https://github.com/googleapis/python-aiplatform/compare/v1.90.0...v1.91.0">1.91.0</a>
(2025-04-30)</h2>
<h3>Features</h3>
<ul>
<li>Add Model Garden deploy SDK documentation and use cases. (<a
href="https://github.com/googleapis/python-aiplatform/commit/6eea5f4fc05444cf47609fbe4da9038d5fa6ac29">6eea5f4</a>)</li>
<li>Allow setting Vertex Model Garden source model version id during
model upload (<a
href="https://github.com/googleapis/python-aiplatform/commit/b1bbba6f94a86fdc711c59bfc248abe544c3da09">b1bbba6</a>)</li>
<li>GenAI - Add support for self-hosted OSS models in Batch Prediction.
(<a
href="https://github.com/googleapis/python-aiplatform/commit/c76ac624a4b708dc5980ec64eb52661eb7c8061d">c76ac62</a>)</li>
<li>GenAI - Support batch prediction in Model Garden OpenModel. (<a
href="https://github.com/googleapis/python-aiplatform/commit/8bf30b74828c976e315879d9a7b61cb718e1bcfe">8bf30b7</a>)</li>
<li>Update upperbound for langgraph (<a
href="https://github.com/googleapis/python-aiplatform/commit/547bf01410647b104c6b8134d57b8c27847558b4">547bf01</a>)</li>
</ul>
<h3>Bug Fixes</h3>
<ul>
<li>Removing Python 3.8 support due to EOL (<a
href="https://github.com/googleapis/python-aiplatform/commit/4330b2fc2860eb38986937a81f4919059775137a">4330b2f</a>)</li>
</ul>
<h2><a
href="https://github.com/googleapis/python-aiplatform/compare/v1.89.0...v1.90.0">1.90.0</a>
(2025-04-22)</h2>
<h3>Features</h3>
<ul>
<li>Add <code>pydantic</code> to default required packages for agent
engines (<a
href="https://github.com/googleapis/python-aiplatform/commit/6960ae4fb2e3fadd755b7725859f66f29d6498b4">6960ae4</a>)</li>
<li>Introduce a ModuleAgent template to Agent Engine (<a
href="https://github.com/googleapis/python-aiplatform/commit/5efcd6b1d42d477220674ee7d3dc97594b02c03f">5efcd6b</a>)</li>
</ul>
<h3>Bug Fixes</h3>
<ul>
<li>Broken import of VertexAiSessionService in AdkApp (<a
href="https://github.com/googleapis/python-aiplatform/commit/b84657a97404477d93d5010e03e36a777bbbb373">b84657a</a>)</li>
<li><strong>deps:</strong> Allow werkzeug 3.x (<a
href="https://github.com/googleapis/python-aiplatform/commit/0cb2b93cbebdb51982e7890f7d6c565110f0b50e">0cb2b93</a>)</li>
<li>Pin pydantic version lower-bound limit to 2.11.1 to fix a pydantic
dependency issue. (<a
href="https://github.com/googleapis/python-aiplatform/commit/a5c113022d2471e66945db45a93a762256ccaede">a5c1130</a>)</li>
<li>Pin pydantic version lower-bound limit to 2.11.1 to fix a pydantic
dependency issue. (<a
href="https://github.com/googleapis/python-aiplatform/commit/180cbbaca017a5e0e3a082652520e9ba489b0e0b">180cbba</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/googleapis/python-aiplatform/commit/ec3bc047da721f4a88ab83199fef880620ac7afb"><code>ec3bc04</code></a>
chore(main): release 1.91.0 (<a
href="https://redirect.github.com/googleapis/python-aiplatform/issues/5251">#5251</a>)</li>
<li><a
href="https://github.com/googleapis/python-aiplatform/commit/8bf30b74828c976e315879d9a7b61cb718e1bcfe"><code>8bf30b7</code></a>
feat: GenAI - Support batch prediction in Model Garden OpenModel.</li>
<li><a
href="https://github.com/googleapis/python-aiplatform/commit/e0a54df29ee3a8dd569047e0084e85376c034228"><code>e0a54df</code></a>
chore: bump DEFAULT_PYTHON_VERSION to 3.10 in noxfile.py</li>
<li><a
href="https://github.com/googleapis/python-aiplatform/commit/c76ac624a4b708dc5980ec64eb52661eb7c8061d"><code>c76ac62</code></a>
feat: GenAI - Add support for self-hosted OSS models in Batch
Prediction.</li>
<li><a
href="https://github.com/googleapis/python-aiplatform/commit/b1bbba6f94a86fdc711c59bfc248abe544c3da09"><code>b1bbba6</code></a>
feat: Allow setting Vertex Model Garden source model version id during
model ...</li>
<li><a
href="https://github.com/googleapis/python-aiplatform/commit/4330b2fc2860eb38986937a81f4919059775137a"><code>4330b2f</code></a>
fix: Removing Python 3.8 support due to EOL</li>
<li><a
href="https://github.com/googleapis/python-aiplatform/commit/547bf01410647b104c6b8134d57b8c27847558b4"><code>547bf01</code></a>
feat: Update upperbound for langgraph</li>
<li><a
href="https://github.com/googleapis/python-aiplatform/commit/6eea5f4fc05444cf47609fbe4da9038d5fa6ac29"><code>6eea5f4</code></a>
feat: Add Model Garden deploy SDK documentation and use cases.</li>
<li><a
href="https://github.com/googleapis/python-aiplatform/commit/e1fcfffc72a1f6d63b71cb414de3e84f1de0f53f"><code>e1fcfff</code></a>
chore: Samples - Restore vector search sample for filtering and
crowding</li>
<li><a
href="https://github.com/googleapis/python-aiplatform/commit/e6772d37baaa4dfc7f1509e116f5924fbc47d761"><code>e6772d3</code></a>
chore(main): release 1.90.0 (<a
href="https://redirect.github.com/googleapis/python-aiplatform/issues/5185">#5185</a>)</li>
<li>Additional commits viewable in <a
href="https://github.com/googleapis/python-aiplatform/compare/v1.89.0...v1.91.0">compare
view</a></li>
</ul>
</details>
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python/pyproject.toml

@@ -88,7 +88,7 @@ faiss = [
     "faiss-cpu>=1.10.0"
 ]
 google = [
-    "google-cloud-aiplatform == 1.89.0",
+    "google-cloud-aiplatform == 1.91.0",
     "google-generativeai ~= 0.8"
 ]
 hugging_face = [