Bump langchain from 0.1.5 to 0.3.7 in /lib/shared/web-crawler-batch-job

Bumps [langchain](https://github.com/langchain-ai/langchain) from 0.1.5 to 0.3.7.
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](langchain-ai/langchain@langchain-ibm==0.1.5...langchain==0.3.7)

---
updated-dependencies:
- dependency-name: langchain
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

lib/shared/web-crawler-batch-job/requirements.txt

@@ -4,7 +4,7 @@ numpy==1.26.0
 cfnresponse==1.1.2
 aws_requests_auth==0.4.3
 requests-aws4auth==1.2.3
-langchain==0.1.5
+langchain==0.3.7
 opensearch-py==2.3.1
 psycopg2-binary==2.9.7
 pgvector==0.2.2