chore: updates linting

Author: chalmerlowe

packages/google-cloud-storage/noxfile.py

@@ -64,7 +64,7 @@
     "mypy",
     "conftest_retry",
     "system",
-    "unit",    # cover must be last to avoid error `No data to report`
+    "unit",  # cover must be last to avoid error `No data to report`
     "cover",
     "docfx",
     "docs",