Bump mypy from 1.13.0 to 1.15.0

Bumps [mypy](https://github.com/python/mypy) from 1.13.0 to 1.15.0.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.13.0...v1.15.0)

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

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

requirements.dev.txt

@@ -2,7 +2,7 @@ cffi==1.17.1
 charset-normalizer==3.4.0
 colorama==0.4.6
 cryptography==44.0.0
-mypy==1.13.0
+mypy==1.15.0
 mypy-extensions==1.0.0
 pdfminer.six==20240706
 pycparser==2.22