Add default to HistoricalRecord.object_type_version

Author: JCZuurmond

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

@@ -32,9 +32,6 @@ class HistoricalRecord:
     object_type: str
     """The inventory table for which this record was generated."""
 
-    object_type_version: int
-    """Versioning of inventory table, for forward compatibility."""
-
     object_id: list[str]
     """The type-specific identifier for this inventory record."""
 
@@ -47,6 +44,9 @@ class HistoricalRecord:
     failures: list[str]
     """The list of problems associated with the object that this inventory record covers."""
 
+    object_type_version: int = 0
+    """Versioning of inventory table, for forward compatibility."""
+
 
 class HistoryInstallation:
     """Install resources for UCX's artifacts history.