Remove mypy overrides for `tests/test_intl/test_catalogs.py` (#13767)

pyproject.toml

@@ -272,8 +272,6 @@ module = [
     "tests.test_extensions.test_ext_napoleon",
     "tests.test_extensions.test_ext_todo",
     "tests.test_extensions.test_ext_viewcode",
-    # tests/test_intl
-    "tests.test_intl.test_catalogs",
     # tests/test_markup
     "tests.test_markup.test_markup",
     "tests.test_markup.test_parser",

tests/test_intl/test_catalogs.py

@@ -9,11 +9,14 @@ from typing import TYPE_CHECKING
 import pytest
 
 if TYPE_CHECKING:
+    from collections.abc import Iterator
+
+    from sphinx.testing.fixtures import _app_params
     from sphinx.testing.util import SphinxTestApp
 
 
 @pytest.fixture
-def _setup_test(app_params):
+def _setup_test(app_params: _app_params) -> Iterator[None]:
     assert isinstance(app_params.kwargs['srcdir'], Path)
     srcdir = app_params.kwargs['srcdir']
     src_locale_dir = srcdir / 'xx' / 'LC_MESSAGES'