Bump mypy from 1.15.0 to 1.16.0

Bumps [mypy](https://github.com/python/mypy) from 1.15.0 to 1.16.0.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.15.0...v1.16.0)

---
updated-dependencies:
- dependency-name: mypy
  dependency-version: 1.16.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pyproject.toml

@@ -93,7 +93,7 @@ docs = [
 ]
 lint = [
     "ruff==0.11.11",
-    "mypy==1.15.0",
+    "mypy==1.16.0",
     "sphinx-lint>=0.9",
     "types-colorama==0.4.15.20240311",
     "types-defusedxml==0.7.0.20250516",
@@ -157,7 +157,7 @@ translations = [
     "Jinja2>=3.1",
 ]
 types = [
-    "mypy==1.15.0",
+    "mypy==1.16.0",
     "pyrefly",
     "pyright==1.1.400",
     { include-group = "type-stubs" },