code: public OvhRegistryCredentials serviceName_registry_credentials_credentialsId_PUT(String serviceName, String credentialsId, OvhInputCustomSsl body) throws IOException {
  		String qPath = "/caas/containers/{serviceName}/registry/credentials/{credentialsId}";
  		StringBuilder sb = path(qPath, serviceName, credentialsId);
  		String resp = exec(qPath, "PUT", sb.toString(), body);
  		return convertTo(resp, OvhRegistryCredentials.class);
  	}
docs: Update the registry credentials.
  
  REST: PUT /caas/containers/{serviceName}/registry/credentials/{credentialsId}
  @param body [required] Credentials providing authentication to an external registry
  @param credentialsId [required] credentials id
  @param serviceName [required] service name
  
  API beta