Bump mypy from 1.12.1 to 1.13.0 in /.github (#88)

Bumps [mypy](https://github.com/python/mypy) from 1.12.1 to 1.13.0.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.12.1...v1.13.0)

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

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

Author: dependabot[bot]

.github/pythonchecks.txt

@@ -15,7 +15,7 @@ flake8-quotes==3.3.2; python_version < '3.12'
 flake8-simplify==0.21.0
 flake8-pytest==1.4
 flake8-type-checking==2.9.1
-mypy==1.12.1
+mypy==1.13.0
 types-requests==2.32.0.20241016
 pytest-xdist==3.6.1
 flake8-noqa==1.4.0