Bump drools-core from 7.20.0.Final to 7.60.0.Final in /validation-service#21

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dependabot/maven/validation-service/org.drools-drools-core-7.60.0.Finaleea/eea.reportnet3:dependabot/maven/validation-service/org.drools-drools-core-7.60.0.FinalCopy head branch name to clipboard