infra: add minimum deps pre release check (#15485)

.github/workflows/_release.yml

@@ -159,6 +159,12 @@ jobs:
         run: make integration_tests
         working-directory: ${{ inputs.working-directory }}
 
+      - name: Run unit tests with minimum dependency versions
+        if: ${{ startsWith(inputs.working-directory, 'libs/langchain/') || startsWith(inputs.working-directory, 'libs/community/' || startsWith(inputs.working-directory, 'libs/experimental/' }}
+        run: |
+          poetry run pip install -r _test_minimum_requirements.txt
+          make tests
+        working-directory: ${{ inputs.working-directory }}
 
   publish:
     needs:

libs/community/_test_minimum_requirements.txt

@@ -0,0 +1 @@
+langchain-core==0.1.0

libs/experimental/_test_minimum_requirements.txt

@@ -0,0 +1,2 @@
+langchain-core==0.1.0
+langchain==0.0.350

libs/langchain/_test_minimum_requirements.txt

@@ -0,0 +1,2 @@
+langchain-core==0.1.4
+langchain-community==0.0.2