Bump mypy from 1.14.1 to 1.15.0

Bumps [mypy](https://github.com/python/mypy) from 1.14.1 to 1.15.0.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.14.1...v1.15.0)

---
updated-dependencies:
- dependency-name: mypy
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements-dev.txt

@@ -5,7 +5,7 @@ flake8-bandit==4.1.1
 flake8-bugbear==24.12.12
 flake8-import-order==0.18.2
 flake8-requirements==2.2.1
-mypy==1.14.1
+mypy==1.15.0
 types-passlib==1.7.7.20241221
 pep257==0.7.0
 sphinx==8.1.3