tests: fix lint (ASCII apostrophe) in get-cluster-status unit tests

Author: arjun11-malik

tests/unit/test_action_get_cluster_status.py

@@ -37,7 +37,7 @@ def make_event():
     evt = Mock(spec=ActionEvent)
     evt.set_results = Mock()
     evt.fail = Mock()
-    evt.params = {}  # ensure .params.get() won’t AttributeError
+    evt.params = {}  # ensure .params.get() won't AttributeError
     return evt