GROOVY-9476: Bump spotbugs to 4.0.1
GROOVY-9476: Bump spotbugs to 4.0.1

paulk-asert/incubator-groovy,paulk-asert/groovy,shils/groovy,paulk-asert/incubator-groovy,paulk-asert/groovy,paulk-asert/groovy,shils/groovy,paulk-asert/incubator-groovy,shils/groovy,shils/incubator-groovy,apache/incubator-groovy,apache/incubator-groovy,shils/incubator-groovy,apache/groovy,apache/incubator-groovy,apache/groovy,paulk-asert/groovy,paulk-asert/incubator-groovy,shils/incubator-groovy,apache/incubator-groovy,paulk-asert/incubator-groovy,shils/incubator-groovy,apache/groovy,apache/groovy,shils/groovy