Add a dry_run property for temporary compatibility.

Author: jaraco

setuptools/__init__.py

@@ -167,6 +167,12 @@ class Command(_Command):
     command_consumes_arguments = False
     distribution: Distribution  # override distutils.dist.Distribution with setuptools.dist.Distribution
 
+    dry_run = False  # type: ignore[assignment] # pyright: ignore[reportAssignmentType] (until #4689; see #4872)
+    """
+    For compatibility with vendored bdist_wheel.
+    https://github.com/pypa/setuptools/pull/4872/files#r1986395142
+    """
+
     def __init__(self, dist: Distribution, **kw) -> None:
         """
         Construct the command for dist, updating