Use type hinting generics in standard collections (#19046)

aka PEP 585, added in Python 3.9

 - https://peps.python.org/pep-0585/
 - https://docs.astral.sh/ruff/rules/non-pep585-annotation/

tests/test_utils/__init__.py

@@ -28,7 +28,7 @@ import json
 import sys
 import warnings
 from binascii import unhexlify
-from typing import TYPE_CHECKING, Awaitable, Callable, Tuple, TypeVar
+from typing import TYPE_CHECKING, Awaitable, Callable, TypeVar
 
 import attr
 import zope.interface
@@ -102,7 +102,7 @@ class FakeResponse:  # type: ignore[misc]
     attribute, and didn't support deliverBody until recently.
     """
 
-    version: Tuple[bytes, int, int] = (b"HTTP", 1, 1)
+    version: tuple[bytes, int, int] = (b"HTTP", 1, 1)
 
     # HTTP response code
     code: int = 200