build(deps): bump mypy from 1.7.1 to 1.8.0

Bumps [mypy](https://github.com/python/mypy) from 1.7.1 to 1.8.0.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.7.1...v1.8.0)

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

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

_requirements/test.txt

@@ -1,4 +1,4 @@
 coverage >=6.0
 pytest >=7.0
 pytest-cov
-mypy ==1.7.1
+mypy ==1.8.0