chore: enable more Ruff checks (#2654)

Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>

cibuildwheel/platforms/ios.py

@@ -8,22 +8,17 @@ import shutil
 import subprocess
 import sys
 import textwrap
-from collections.abc import Sequence, Set
 from pathlib import Path
-from typing import assert_never
+from typing import TYPE_CHECKING, assert_never
 
 from filelock import FileLock
 
 from .. import errors
-from ..architecture import Architecture
-from ..environment import ParsedEnvironment
 from ..frontend import (
     BuildFrontendName,
     get_build_frontend_extra_flags,
 )
 from ..logger import log
-from ..options import Options
-from ..selector import BuildSelector
 from ..util import resources
 from ..util.cmd import call, shell, split_command
 from ..util.file import (
@@ -39,6 +34,14 @@ from ..util.packaging import (
 from ..venv import constraint_flags, virtualenv
 from .macos import install_cpython as install_build_cpython
 
+if TYPE_CHECKING:
+    from collections.abc import Sequence, Set
+
+    from ..architecture import Architecture
+    from ..environment import ParsedEnvironment
+    from ..options import Options
+    from ..selector import BuildSelector
+
 
 @dataclasses.dataclass(frozen=True, kw_only=True)
 class PythonConfiguration: