accessing API version should not count as activity (#1315)

Author: minrk

jupyter_server/base/handlers.py

@@ -1016,6 +1016,8 @@ def validate_absolute_path(self, root, absolute_path):
 class APIVersionHandler(APIHandler):
     """An API handler for the server version."""
 
+    _track_activity = False
+
     def get(self):
         """Get the server version info."""
         # not authenticated, so give as few info as possible