Bump python-dotenv from 1.1.1 to 1.2.1 (#3059)

Bumps [python-dotenv](https://github.com/theskumar/python-dotenv) from 1.1.1 to 1.2.1.
- [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/v1.1.1...v1.2.1)

---
updated-dependencies:
- dependency-name: python-dotenv
  dependency-version: 1.2.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pyproject.toml

@@ -32,7 +32,7 @@ pyexcel-xls = "==0.7.1"
 pyexcel-xlsx = "==0.6.1"
 openpyxl = "==3.0.10"
 pyproj = "==3.7.2"
-python-dotenv = "==1.1.1"
+python-dotenv = "==1.2.1"
 rtreelib = "==0.2.0"
 werkzeug = "^3.1.3"
 wtforms = "~=3.1"