distutils: expose Command.dry_run + make 0|1 attrs bool (#12607)

stubs/setuptools/setuptools/_distutils/cmd.pyi

@@ -12,6 +12,7 @@ _CommandT = TypeVar("_CommandT", bound=Command)
 _Ts = TypeVarTuple("_Ts")
 
 class Command:
+    dry_run: bool  # Exposed from __getattr_. Same as Distribution.dry_run
     distribution: Distribution
     # Any to work around variance issues
     sub_commands: ClassVar[list[tuple[str, Callable[[Any], bool] | None]]]

stubs/setuptools/setuptools/_distutils/dist.pyi

@@ -69,9 +69,9 @@ class Distribution:
     display_options: ClassVar[_OptionsList]
     display_option_names: ClassVar[list[str]]
     negative_opt: ClassVar[dict[str, str]]
-    verbose: int
-    dry_run: int
-    help: int
+    verbose: bool
+    dry_run: bool
+    help: bool
     command_packages: list[str] | None
     script_name: str | None
     script_args: list[str] | None