chore: Add LangGraph example, remove LangServe example, and update deps

[danielchalef]

Important

Remove langchain-langserve example, add LangGraph example, and update dependencies in pyproject.toml.

• Examples:
  • Removed langchain-langserve example, including files like README.md, app/ingest.py, and app/server.py.
  • Added LangGraph example.
• Dependencies:
  • Updated langchain-openai to ^0.1.23.
  • Added langgraph version ^0.2.16.
  • Added ipywidgets version ^8.1.5.
  • Updated openai to ^1.43.0.
  • Added notebook version ^7.2.2.

^{This description was created by for a79a272. It will automatically update as commits are pushed.}

[ellipsis-dev]

👍 Looks good to me! Reviewed everything up to 9637ed2 in 15 seconds

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• Looked at 665 lines of code in 10 files
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1. pyproject.toml:25

• Draft comment:
  Ensure that the langchain-openai dependency version ^0.1.23 is compatible with other dependencies and necessary for the project.
• Reason this comment was not posted:
  Confidence changes required: 50%
  The pyproject.toml file in the root directory has been updated with new dependencies. It's important to ensure that these dependencies are necessary and correctly versioned.

2. pyproject.toml:26

• Draft comment:
  Ensure that the langgraph dependency version ^0.2.16 is compatible with other dependencies and necessary for the project.
• Reason this comment was not posted:
  Confidence changes required: 50%
  The pyproject.toml file in the root directory has been updated with new dependencies. It's important to ensure that these dependencies are necessary and correctly versioned.

3. pyproject.toml:27

• Draft comment:
  Ensure that the ipywidgets dependency version ^8.1.5 is compatible with other dependencies and necessary for the project.
• Reason this comment was not posted:
  Confidence changes required: 50%
  The pyproject.toml file in the root directory has been updated with new dependencies. It's important to ensure that these dependencies are necessary and correctly versioned.

4. pyproject.toml:28

• Draft comment:
  Ensure that the openai dependency version ^1.43.0 is compatible with other dependencies and necessary for the project.
• Reason this comment was not posted:
  Confidence changes required: 50%
  The pyproject.toml file in the root directory has been updated with new dependencies. It's important to ensure that these dependencies are necessary and correctly versioned.

5. pyproject.toml:29

• Draft comment:
  Ensure that the notebook dependency version ^7.2.2 is compatible with other dependencies and necessary for the project.
• Reason this comment was not posted:
  Confidence changes required: 50%
  The pyproject.toml file in the root directory has been updated with new dependencies. It's important to ensure that these dependencies are necessary and correctly versioned.

Workflow ID: wflow_wL5qvpkmL5Y6jtbv

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[ellipsis-dev]

👍 Looks good to me! Incremental review on a79a272 in 10 seconds

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• Looked at 93 lines of code in 1 files
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• Skipped posting 1 drafted comments based on config settings.

1. src/zep_cloud/langchain/history.py:100

• Draft comment:
  Avoid using # type: ignore unless absolutely necessary, as it can hide potential issues. Ensure that the deprecated code is still functioning as expected.
• Reason this comment was not posted:
  Confidence changes required: 50%
  The code uses # type: ignore comments, which can hide potential issues. It's important to ensure these are necessary and not masking real problems.

Workflow ID: wflow_hIoY1vBmsIRlEufE

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