Merge pull request cockroachdb#156567 from fqazi/limitTriggerTesting

release-25.3: workload/schemachanger: disable CREATE TRIGGER operation

Author: fqazi

pkg/workload/schemachange/optype.go

@@ -305,7 +305,7 @@ var opWeights = []int{
 	createSequence:                    1,
 	createTable:                       10,
 	createTableAs:                     1,
-	createTrigger:                     1,
+	createTrigger:                     0,
 	createTypeEnum:                    1,
 	createTypeComposite:               1,
 	createView:                        1,