Bump python-dotenv from 1.2.1 to 1.2.2 (#340)

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
...

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Author: dependabot[bot]

requirements.txt

@@ -128,7 +128,7 @@ python-dateutil==2.9.0.post0
     # via
     #   botocore
     #   celery
-python-dotenv==1.2.1
+python-dotenv==1.2.2
     # via stix2arango
 pytz==2025.2
     # via stix2