partners: add xAI chat integration #33237

Job	Run time
build	13s
cd ${{ matrix.job-configs.working-directory }} / make extended_tests #${{ matrix.job-configs.python-version }}	0s
test-doc-imports	0s
cd libs/partners/xai / poetry run pytest -m compile tests/integration_tests #3.13	3m 11s
cd libs/partners/xai / make lint #3.13	1m 30s
cd libs/partners/xai / make lint #3.9	3m 14s
cd libs/partners/xai / poetry run pytest -m compile tests/integration_tests #3.9	1m 33s
cd libs/partners/xai / make test #3.13	2m 51s
cd libs/partners/xai / make test #3.9	1m 17s
cd libs/partners/xai / make test # pydantic: ~=2.5.0, python: 3.11,	1m 16s
cd libs/partners/xai / make test # pydantic: ~=2.6.0, python: 3.11,	1m 17s
cd libs/partners/xai / make test # pydantic: ~=2.7.0, python: 3.11,	1m 18s
cd libs/partners/xai / make test # pydantic: ~=2.8.0, python: 3.11,	1m 15s
cd libs/partners/xai / make test # pydantic: ~=2.9.0, python: 3.11,	1m 25s
CI Success	1s
	20m 21s

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