Bump python-dotenv from 1.1.1 to 1.2.2 in /requirements

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: indirect
...

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

Author: dependabot[bot]

requirements/web.txt

@@ -26,7 +26,7 @@ pydantic==2.11.7
     # via fastapi
 pydantic-core==2.33.2
     # via pydantic
-python-dotenv==1.1.1
+python-dotenv==1.2.2
     # via uvicorn
 pyyaml==6.0.2
     # via uvicorn