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 1.1.1 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
  dependency-group: pip
...

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

Author: dependabot[bot]

requirements.txt

@@ -59,7 +59,7 @@ pydantic==2.11.7
 pydantic_core==2.33.2
 PyJWT==2.10.1
 pyserial==3.5
-python-dotenv==1.1.1
+python-dotenv==1.2.2
 python-qt-binding==2.2.1
 qt-dotgraph==2.7.5
 qt-gui==2.7.5