build(deps): bump python-dotenv

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


Updates `python-dotenv` from 0.19.0 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@v0.19.0...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]

server/requirements.txt

@@ -1,6 +1,6 @@
 dnspython==2.6.1
 Flask==3.1.3
-python-dotenv==0.19.0
+python-dotenv==1.2.2
 pymongo==4.6.3
 gunicorn==23.0.0
 flask-cors==6.0.0