GROOVY-9834: Bump logback to 1.2.3
GROOVY-9834: Bump logback to 1.2.3

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