jenkins dump credentials

#from https://honnamkuan.medium.com/show-all-credential-values-in-jenkins-86ecb19609d5

def creds = com.cloudbees.plugins.credentials.CredentialsProvider.lookupCredentials(
com.cloudbees.plugins.credentials.common.StandardCredentials.class,
    Jenkins.instance,
    null,
    null
);
for (int i; i < creds.size(); i++) {
  println "\n========== Credential ${i+1} Start =========="
  creds[i].properties.each { println it }
  println "========== Credential ${i+1} End   ==========\n"
}