Potential fix for code scanning alert no. 95: Clear-text logging of sensitive information

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>

Author: pcrespov

services/web/server/src/simcore_service_webserver/garbage_collector/_tasks_api_keys.py

@@ -21,8 +21,8 @@
 async def _prune_expired_api_keys(app: web.Application):
     if deleted := await api_keys_service.prune_expired_api_keys(app):
         # broadcast force logout of user_id
-        for api_key in deleted:
-            _logger.info("API-key %s expired and was removed", f"{api_key=}")
+        for _ in deleted:
+            _logger.info("Expired API key was removed")
 
     else:
         _logger.info("No API keys expired")