Pin langchain-community and langchain version to prevent breaking changes

Author: clareliguori

.github/dependabot.yml

@@ -78,3 +78,7 @@ updates:
     interval: monthly
   open-pull-requests-limit: 10
   versioning-strategy: increase
+  ignore:
+    # Langchain 1.x has breaking changes
+    - dependency-name: langchain
+    - dependency-name: langchain-community

functions/most_popular_repo_langchain/requirements.txt

@@ -1,5 +1,5 @@
-langchain==1.0.3
-langchain-community==0.4.1
+langchain==0.3.27
+langchain-community==0.3.30
 requests==2.32.5
 PyGithub==2.8.1
 boto3==1.40.64