Bump python-dotenv in /ai/gen-ai-agents/mcp-oci-integration/files

Bumps [python-dotenv](https://github.com/theskumar/python-dotenv) from 1.1.1 to 1.2.2.
- [Release notes](https://github.com/theskumar/python-dotenv/releases)
- [Changelog](https://github.com/theskumar/python-dotenv/blob/main/CHANGELOG.md)
- [Commits](theskumar/python-dotenv@v1.1.1...v1.2.2)

---
updated-dependencies:
- dependency-name: python-dotenv
  dependency-version: 1.2.2
  dependency-type: direct:production
...

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Author: dependabot[bot]

ai/gen-ai-agents/mcp-oci-integration/files/requirements.txt

@@ -92,7 +92,7 @@ pylint==3.3.8
 pyOpenSSL==24.3.0
 pyperclip==1.9.0
 python-dateutil==2.9.0.post0
-python-dotenv==1.1.1
+python-dotenv==1.2.2
 python-multipart==0.0.20
 pytz==2025.2
 PyYAML==6.0.2