Bump python-dotenv in /ai/ai-vision/ai-vision-and-sam/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/ai-vision/ai-vision-and-sam/files/requirements.txt

@@ -4,7 +4,7 @@ oci==2.160.1
 opencv-python==4.12.0.88
 pandas==2.3.2
 pillow==12.2.0
-python-dotenv==1.1.1
+python-dotenv==1.2.2
 sam2==1.1.0
 streamlit==1.49.1
 torch==2.8.0