Update create_readme.py

Author: m-mohr

python/create_readme.py

@@ -170,7 +170,7 @@ def main() -> bool:
     logger.error("Something likely went wrong as there are not enough repos listed, don't override README")
     sys.exit(1)
 
-  now = datetime.now(timezone.UTC).strftime("%b %d %Y, %H:%M %Z")
+  now = datetime.now(timezone.utc).strftime("%b %d %Y, %H:%M %Z")
   template = Template(Path("./python/README_TEMPLATE.md.jinja").read_text())
 
   f = Path("./README.md")