chore(deps): bump python-dotenv from 1.2.1 to 1.2.2

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](https://github.com/theskumar/python-dotenv/compare/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>

pyproject.toml

@@ -32,7 +32,7 @@ dependencies = [
   # user picks that backend. Smaller `dependencies` = smaller blast
   # radius for the next supply-chain attack.
   "openai==2.24.0",
-  "python-dotenv==1.2.1",
+  "python-dotenv==1.2.2",
   "fire==0.7.1",
   "httpx[socks]==0.28.1",
   "rich==14.3.3",