Python: Disable Milvus memory store integration tests (#11920)

### Motivation and Context

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The Milvus memory store integration tests have been failing, blocking
some PR merges.

### Description

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Temporarily skipping the Milvus memory store integration test.

### Contribution Checklist

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- [x] The code builds clean without any errors or warnings
- [x] The PR follows the [SK Contribution
Guidelines](https://github.com/microsoft/semantic-kernel/blob/main/CONTRIBUTING.md)
and the [pre-submission formatting
script](https://github.com/microsoft/semantic-kernel/blob/main/CONTRIBUTING.md#development-scripts)
raises no violations
- [x] All unit tests pass, and I have added new tests where possible
- [x] I didn't break anyone 😄

Author: TaoChenOSU

python/tests/integration/memory/memory_stores/test_milvus_memory_store.py

@@ -4,8 +4,16 @@
 import numpy as np
 import pytest
 
-from semantic_kernel.connectors.memory.milvus import MilvusMemoryStore
-from semantic_kernel.memory.memory_record import MemoryRecord
+pytest.skip(
+    (
+        "Temporarily disabling this test module due to import error from milvus: "
+        "AttributeError: module 'marshmallow' has no attribute '__version_info__'"
+    ),
+    allow_module_level=True,
+)
+
+from semantic_kernel.connectors.memory.milvus import MilvusMemoryStore  # noqa: E402
+from semantic_kernel.memory.memory_record import MemoryRecord  # noqa: E402
 
 try:
     from milvus import default_server