Bump boto3 in /functions/most_popular_repo_langchain (#317)

Bumps [boto3](https://github.com/boto/boto3) from 1.35.53 to 1.35.71.
- [Release notes](https://github.com/boto/boto3/releases)
- [Commits](boto/boto3@1.35.53...1.35.71)

---
updated-dependencies:
- dependency-name: boto3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

functions/most_popular_repo_langchain/requirements.txt

@@ -2,5 +2,5 @@ langchain==0.3.9
 langchain-community==0.3.4
 requests==2.32.3
 PyGithub==2.5.0
-boto3==1.35.53
+boto3==1.35.71
 beautifulsoup4