chore: bump mypy from 2.3.0 to 2.3.1

Bumps [mypy](https://github.com/python/mypy) from 2.3.0 to 2.3.1.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v2.3.0...v2.3.1)

---
updated-dependencies:
- dependency-name: mypy
  dependency-version: 2.3.1
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

pyproject.toml

@@ -61,7 +61,7 @@ conflicts = [
 dev = [
     "coverage==7.15.4",
     "pyright==1.1.411",
-    "mypy==2.3.0",
+    "mypy==2.3.1",
     "respx",
     "pytest",
     "pytest-asyncio",