Add Google-style docstring linting and update pyproject.toml #36539

Job	Run time
build	11s
test-doc-imports	0s
cd libs/langchain / make extended_tests #3.9	44s
cd libs/langchain / make extended_tests #3.13	49s
cd libs/community / make extended_tests #3.9	1m 26s
cd libs/community / make extended_tests #3.12	3m 32s
cd libs/community / make lint #3.13	1m 0s
cd libs/community / make lint #3.9	44s
cd libs/langchain / make lint #3.13	55s
cd libs/langchain / make lint #3.9	43s
cd libs/community / make test #3.13	3m 55s
cd libs/community / make test #3.9	1m 3s
cd libs/langchain / make test #3.13	3m 41s
cd libs/langchain / make test #3.9	45s
cd libs/community / poetry run pytest -m compile tests/integration_tests #3.11	28s
cd libs/community / poetry run pytest -m compile tests/integration_tests #3.9	34s
cd libs/langchain / poetry run pytest -m compile tests/integration_tests #3.13	30s
cd libs/langchain / poetry run pytest -m compile tests/integration_tests #3.9	20s
cd libs/community / make test # pydantic: ~=2.10.0, python: 3.11,	37s
cd libs/community / make test # pydantic: ~=2.7.0, python: 3.11,	37s
cd libs/community / make test # pydantic: ~=2.8.0, python: 3.11,	46s
cd libs/community / make test # pydantic: ~=2.9.0, python: 3.11,	38s
cd libs/langchain / make test # pydantic: ~=2.10.0, python: 3.11,	27s
cd libs/langchain / make test # pydantic: ~=2.7.0, python: 3.11,	33s
cd libs/langchain / make test # pydantic: ~=2.8.0, python: 3.11,	30s
cd libs/langchain / make test # pydantic: ~=2.9.0, python: 3.11,	29s
CI Success	1s
	25m 58s

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