Bump mypy from 1.6.1 to 1.8.0 in /reqs

Bumps [mypy](https://github.com/python/mypy) from 1.6.1 to 1.8.0.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.6.1...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>

reqs/requirements-lint.txt

@@ -1,4 +1,4 @@
 # Public packages
 black==23.11.0
 isort==5.13.2
-mypy==1.6.1
+mypy==1.8.0