SIENTIAPDE-1325

Update metric labels from 'pipeline_name' to 'workflow_name' in metrics and related classes, ensuring consistency across the codebase and tests.

tests/test_metrics.py

@@ -15,7 +15,7 @@ def test_scouter_laborious_data_written_count():
     assert set(metrics.LABORIOUS_DATA_WRITTEN_COUNT._labelnames) == {
         'pod_id',
         'model_name',
-        'pipeline_name',
+        'workflow_name',
     }
 
 
@@ -27,6 +27,6 @@ def test_scouter_tag_changes_monitor():
     assert set(metrics.TAG_CHANGES_MONITOR._labelnames) == {
         'pod_id',
         'model_name',
-        'pipeline_name',
+        'workflow_name',
         'tag_name',
     }