md-software

Following @nmusatti advice, tried to build a new image for spark operator but for 3.3.1 spark version (that should be no different than 3.4.1). `docker build --build-arg SPARK_IMAGE=apache/spark:3.3.1 -t spark-operator:v1beta2-1.3.8-3.3.1...

I've fixed the problem. Image used in deployment and sparkapplications object was spark-operator image, no spark image. Changing that fixed the issue.