chore(deps): bump python-dotenv from 1.2.1 to 1.2.2 in /src/api

Bumps [python-dotenv](https://github.com/theskumar/python-dotenv) from 1.2.1 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@v1.2.1...v1.2.2)

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

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

Author: dependabot[bot]

src/api/requirements.txt

@@ -1,6 +1,6 @@
 # Base packages
 cachetools==6.2.6
-python-dotenv==1.2.1
+python-dotenv==1.2.2
 fastapi==0.128.0
 uvicorn[standard]==0.40.0
 pydantic[email]==2.11.10