Bump langchain-couchbase from 0.2.0 to 0.2.2 (#76)

Bumps [langchain-couchbase](https://github.com/langchain-ai/langchain) from 0.2.0 to 0.2.2.
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](langchain-ai/langchain@langchain-couchbase==0.2.0...langchain-couchbase==0.2.2)

---
updated-dependencies:
- dependency-name: langchain-couchbase
  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>

Author: dependabot[bot]

requirements.txt

@@ -1,5 +1,5 @@
 beautifulsoup4==4.12.3
-langchain-couchbase==0.2.0
+langchain-couchbase==0.2.2
 langchain-community==0.3.4
 langchain-openai==0.2.5
 langsmith==0.1.139