Fix an unsafe type assertion in google_artifact_registry_repository (#13445) (#22100)

[upstream:dcc854f0bbe247a66a02a3b4a300b7a3473e1f3b]

Signed-off-by: Modular Magician <[email protected]>

Author: modular-magician

.changelog/13445.txt

@@ -0,0 +1,3 @@
+```release-note: bug
+artifactregistry: fixed type assertion panic `google_artifact_registry_repository`
+```

google/services/artifactregistry/resource_artifact_registry_repository.go

@@ -118,8 +118,15 @@ func durationDiffSuppress(k, oldr, newr string, d *schema.ResourceData) bool {
 }
 
 func mapHashID(v any) int {
-	obj := v.(map[string]any)
-	return schema.HashString(obj["id"])
+	obj, ok := v.(map[string]any)
+	if !ok {
+		return 0
+	}
+	s, ok := obj["id"].(string)
+	if !ok {
+		return 0
+	}
+	return schema.HashString(s)
 }
 
 func isDefaultEnum(val any) bool {