chore(deps): update dependency langgraph to v1

[renovate-bot]

This PR contains the following updates:

Package	Change	Age	Confidence
langgraph (source, changelog)	==0.6.10 -> ==1.0.4

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Release Notes

langchain-ai/langgraph (langgraph)

v1.0.4

Compare Source

Changes since 1.0.3

• release(langgraph): 1.0.4 (#​6502)
• chore: pop thread ID from configurable fields in remote graph (#​6497)
• chore: clean up some refs (#​6487)
• chore(sdk-py): Add more type checking. (#​6479)
• fix: interrupt stream mode values (#​6475)
• release: langgraph-prebuilt 1.0.5 (#​6473)
• refactor: separate prepare_push_* functions (#​6450)
• fix: dep warnings in prebuilt (#​6443)
• release: prebuilt 1.0.3 (#​6441)

v1.0.3

Compare Source

Changes since 1.0.2

• chore: langgraph patch release (#​6429)
• feat(docs): warn that StateGraph is a builder class (#​6417)
• fix(docs): PartialState rendering in MkDocs (#​6416)
• fix(docs): synchronize invoke and ainvoke docstrings (#​6415)
• fix(docs): synchronize stream and astream docstrings (#​6414)
• docs(langgraph): Fix docstring code examples of task function (#​6410)
• fix(langgraph): Unexpected behavior for stream_mode sequences that are not lists (#​6354)
• fix: fix previoius edge cases such as 0 (#​6379)
• fix(langgraph): export REMOVE_ALL_MESSAGES in all to fix linting (#​6375)
• style: update docstrings to reference StateGraph (#​6308)
• docs(langgraph): update streaming guide links (#​6314)
• chore: add pyproject.toml links (#​6364)
• docs(langgraph): Fix typo in docstring of PregelLoop.tick (#​6407)
• chore(checkpoint-postgres): bump to 3.0.1 (#​6402)
• fix(langgraph): do not apply pending writes when updating state (#​6389)
• chore: update ormsgpack minbound and add OPT_REPLACE_SURROGATES (#​6395)
• release(cli): 0.4.7 expand api bounds (#​6390)
• chore: style fixes for refs (#​6365)

v1.0.2

Compare Source

Changes since 0.6.11

• chore: bump prebuilt dep for lg (#​6361)
• chore: port tool node improvements back to langgraph (#​6321)
• chore: bump core dep for prebuilt (#​6323)
• fix(langgraph): dont persist UntrackedValue (#​6316)
• feat(langgraph): add Overwrite to bypass reducer (#​6286)
• fix: replace python.langchain links with new docs.langchain (#​6352)
• release: Checkpointers 3.0 (#​6313)
• chore: Restrict "json" type deserialization (#​6269)
• release: langgraph + langgraph-prebuilt v1.0.0 (#​6300)
• feat: adding cursory Python 3.14 support (#​6298)
• style: fixes for ref docs (#​6297)
• chore: release rcs for prebuilt + langgraph (#​6296)
• chore: drop Python 3.9 (and syntax) (#​6289)
• docs: style linting (#​6260)
• release(langgraph): v1 working branch (#​6093)
• fix: rename away from LangGraph Platform (#​6281)

v1.0.1

Compare Source

Changes since 1.0.0

• release: Checkpointers 3.0 (#​6313)
• chore: Restrict "json" type deserialization (#​6269)

v1.0.0

Compare Source

Changes since 1.0.0rc1

• release: langgraph + langgraph-prebuilt v1.0.0 (#​6300)
• feat: adding cursory Python 3.14 support (#​6298)
• style: fixes for ref docs (#​6297)

v0.6.11

Compare Source

Changes since 0.6.10

• chore: Allow checkpoint 3.0 in 0.6.* (#​6315)

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[anubhav756]

@dishaprakash Do we want to update the serliazation code? Also, do we want to remove tests for Python 3.9?

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