Bump mypy from 1.20.0 to 2.1.0

Bumps [mypy](https://github.com/python/mypy) from 1.20.0 to 2.1.0.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.20.0...v2.1.0)

---
updated-dependencies:
- dependency-name: mypy
  dependency-version: 2.1.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

pyproject.toml

@@ -194,7 +194,7 @@ testing = [
 typing = [
     "lxml>=6.1.0",
     # lxml = { version = ">=4.9", allow-prereleases = false } # mypy coverage-report
-    "mypy>=1.14",
+    "mypy>=2.1.0",
     "ty>=0.0.33",
     "typeguard>=2.13",
     "types-python-dateutil>=2.9.0.20260408",