infra: install integration deps for test linting (langchain-ai#16963)

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.github/workflows/_lint.yml

@@ -105,7 +105,7 @@ jobs:
         # It doesn't matter how you change it, any change will cause a cache-bust.
         working-directory: ${{ inputs.working-directory }}
         run: |
-          poetry install --with test
+          poetry install --with test,test_integration
 
       - name: Get .mypy_cache_test to speed up mypy
         uses: actions/cache@v3

pyproject.toml

@@ -49,6 +49,7 @@ langchain-openai = { path = "libs/partners/openai", develop = true }
 
 [tool.poetry.group.test.dependencies]
 
+[tool.poetry.group.test_integration.dependencies]
 
 [tool.poetry.group.typing.dependencies]