Bump org.spockframework:spock-core from 2.4-M1-groovy-3.0 to 2.4-groovy-5.0 in /test-project-groovy

Bump org.spockframework:spock-core from 2.4-M1-groovy-3.0 to 2.4-groovy-5.0 in /test-project-groovy #355