Refactor exception handling in performance metrics computation to catch all exceptions

Author: safoinme

train_and_deploy/steps/promotion/compute_performance_metrics_on_current_data.py

@@ -65,7 +65,7 @@ def compute_performance_metrics_on_current_data(
     current_version_number = None
     try:
         current_version = Model(name=latest_version.name, version=ModelStages.STAGING)
-    except KeyError:
+    except Exception:
         pass
 
     if current_version_number is None: