fix(api-gateway): add minio port in _helpers.tpl #2113

Job	Run time
console / integration-test-console	8m 53s
backend (artifact-backend) / integration-test	7m 3s
backend (mgmt-backend) / integration-test	7m 6s
backend (model-backend) / integration-test	7m 30s
backend (pipeline-backend) / integration-test	7m 49s
	38m 21s

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