re-include executor/driver cores in spark-config #1283

Job	Run time
Check if committed Helm charts are up to date	1m 22s
Check if committed README is the one we would render from the available parts	23s
Run Cargo Deny (advisories)	33s
Run Clippy	50s
Run Cargo Deny (bans licenses sources)	41s
Run RustDoc	1m 29s
Run Cargo Udeps	2m 57s
Run Cargo Tests	1m 23s
Run Rustfmt	13s
Select target helm repository based on action trigger	1s
All tests passed	1s
Package Charts, Build Docker Image and publish them	23m 35s
Run the OpenShift Preflight check on the published images	36s
	34m 4s

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