Replace black with ruff

docs/docs/user/changelog.md

@@ -1,5 +1,4 @@
 <!-- This file is autogenerated by hooks/gen_docs/gen_docs_changelog.py. -->
-
 # Changelog
 ## [2.0.11](https://github.com/bakdata/kpops/releases/tag/2.0.11) - Release Date: [2023-10-24]
 

hooks/gen_docs/utils.py

@@ -28,7 +28,7 @@ def copy_file(
             shutil.copyfileobj(file_source, file_dest)
             return
         if header is None:
-            header_encoded = f"<!-- This file is autogenerated by {Path(inspect.stack()[1].filename ).relative_to(ROOT)}. -->\n\n".encode()
+            header_encoded = f"<!-- This file is autogenerated by {Path(inspect.stack()[1].filename ).relative_to(ROOT)}. -->\n".encode()
         else:
             header_encoded = header.encode()
         with TemporaryFile() as file_header: