Bump mypy from 1.1.1 to 1.2.0

Bumps [mypy](https://github.com/python/mypy) from 1.1.1 to 1.2.0.
- [Release notes](https://github.com/python/mypy/releases)
- [Commits](python/mypy@v1.1.1...v1.2.0)

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

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

Author: dependabot[bot]

pyproject.toml

@@ -242,7 +242,7 @@ dev = [
     "dodgy==0.2.1",
     "freezegun==1.2.2",
     "furo==2023.3.27",
-    "mypy==1.1.1",
+    "mypy==1.2.0",
     "pdm==2.4.9",
     "pip_check_reqs==2.4.4",
     "pydocstyle==6.3.0  ",