@Override
	protected String[] getPath() {
		return new String[] { HyscaleSpecFields.image, HyscaleSpecFields.buildSpec };
	}
Updates the "build spec" directive from the service spec before processing the
service spec for deployment. Update operation is like a pre-processor and
does not change the state of the service spec

@author tushart
workflow-controller/controller-service/src/main/java/io/hyscale/controller/directive/impl/BuildSpecJsonHandler.java