Fix ruff/bugbear issues (B006)

B006 Do not use mutable data structures for argument defaults

https://docs.astral.sh/ruff/rules/mutable-argument-default/

distutils/command/config.py

@@ -328,7 +328,7 @@ def check_lib(
         library_dirs=None,
         headers=None,
         include_dirs=None,
-        other_libraries: Sequence[str] = [],
+        other_libraries: Sequence[str] = (),
     ):
         """Determine if 'library' is available to be linked against,
         without actually checking that any particular symbols are provided

distutils/fancy_getopt.py

@@ -449,7 +449,7 @@ class OptionDummy:
     """Dummy class just used as a place to hold command-line option
     values as instance attributes."""
 
-    def __init__(self, options: Sequence[Any] = []):
+    def __init__(self, options: Sequence[Any] = ()):
         """Create a new OptionDummy instance.  The attributes listed in
         'options' will be initialized to None."""
         for opt in options:

distutils/tests/__init__.py

@@ -10,7 +10,7 @@
 from typing import Sequence
 
 
-def missing_compiler_executable(cmd_names: Sequence[str] = []):  # pragma: no cover
+def missing_compiler_executable(cmd_names: Sequence[str] = ()):  # pragma: no cover
     """Check if the compiler components used to build the interpreter exist.
 
     Check for the existence of the compiler executables whose names are listed