ci: Ignore Mypy warning

tests/test_loader.py

@@ -486,7 +486,7 @@ def test_not_calling_package_loaded_hook_on_something_else_than_package() -> Non
     """Always call the `on_package_loaded` hook on a package, not any other object."""
     with temporary_pypackage("pkg", {"__init__.py": "from typing import List as L"}) as pkg:
         loader = GriffeLoader(search_paths=[pkg.tmpdir])
-        alias: Alias = loader.load("pkg.L")
+        alias: Alias = loader.load("pkg.L")  # type: ignore[assignment]
         assert alias.is_alias
         assert not alias.resolved