Bump python-dotenv in the uv group across 1 directory

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


Updates `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
  dependency-group: uv
...

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

Author: dependabot[bot]

pyproject.toml

@@ -7,7 +7,7 @@ requires-python = ">=3.10"
 dependencies = [
     "fastapi>=0.115.0",
     "uvicorn[standard]>=0.32.0",
-    "python-dotenv>=1.0.0",
+    "python-dotenv>=1.2.2",
     "httpx>=0.27.0",
     "pydantic>=2.9.0",
 ]