Bump mypy from 1.5.0 to 1.5.1

Bumps [mypy](https://github.com/python/mypy) from 1.5.0 to 1.5.1.
- [Commits](python/mypy@v1.5.0...v1.5.1)

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

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

requirements_testing.txt

@@ -9,4 +9,4 @@ pytest-icdiff==0.6
 ruff==0.0.284
 setuptools==68.0.0
 tox==4.8.0
-mypy==1.5.0
+mypy==1.5.1