Bump spock-core from 2.2-groovy-4.0 to 2.3-groovy-4.0 (#1269)
Bump spock-core from 2.2-groovy-4.0 to 2.3-groovy-4.0 (#1269)


svenreimers/TweetwallFX,mklaehn/TweetwallFX,TweetWallFX/TweetwallFX,jmichelberger/TweetwallFX,fvogler/TweetwallFX