Bump python-dotenv in the pip group across 1 directory

Bumps the pip group with 1 update in the / directory: [python-dotenv](https://github.com/theskumar/python-dotenv).


Updates `python-dotenv` from 1.0.0 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@v1.0.0...v1.2.2)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

requirements.txt

@@ -9,7 +9,7 @@ pillow-heif==0.22.0  # HEIC/HEIF support for Pillow (requires libheif system lib
 python-magic==0.4.27
 ffmpeg-python==0.2.0
 SQLAlchemy==2.0.41
-python-dotenv==1.0.0
+python-dotenv==1.2.2
 Werkzeug==3.1.6
 gunicorn==23.0.0
 pytz==2023.3