fix: Fix import ordering to resolve isort linting issues

Co-authored-by: zkoppert <[email protected]>

Author: Copilot

stale_repos.py

@@ -9,9 +9,9 @@
 import github3
 from dateutil.parser import parse
 from env import get_env_vars
+from markdown import write_to_markdown
 
 import auth
-from markdown import write_to_markdown
 
 
 def main():  # pragma: no cover