Add run_as attribute to HistoricalRecord

Author: JCZuurmond

src/databricks/labs/ucx/progress/install.py

@@ -20,6 +20,9 @@ class HistoricalRecord:
     run_id: int
     """An identifier of the workflow run that generated this record."""
 
+    run_as: str
+    """The identity of the account that ran the workflow that generated this record."""
+
     snapshot_id: int
     """An identifier that is unique to the records produced for a given snapshot."""