[hack] Fix line length regression in create-release-tag.py

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: mtnbikenc

hack/create-release-tag.py

@@ -312,7 +312,9 @@ def main():
         try:
             date.fromisoformat(args.date)
         except ValueError:
-            parser.error(f"--date must be a valid YYYY-MM-DD date, got: {args.date!r}")
+            parser.error(
+                f"--date must be a valid YYYY-MM-DD date, got: {args.date!r}"
+            )
 
     version = args.version
     tag = f"v{version}"