chore(deps): bump mypy from 1.15.0 to 1.16.0

Bumps [mypy](https://github.com/python/mypy) from 1.15.0 to 1.16.0.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.15.0...v1.16.0)

---
updated-dependencies:
- dependency-name: mypy
  dependency-version: 1.16.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements/tools.txt

@@ -1,3 +1,3 @@
-mypy==1.15.0
+mypy==1.16.0
 flake8==7.2.0
 black==24.8.0             # Until we drop Python 3.6 support, we have to stay with this version