feat(helm): Allow Pod priorityClassName to be configured #2108

Job	Run time
Decide if Helm charts are pushed to the helm repository based on action trigger	3s
Run Cargo Udeps	1m 54s
Run Rustfmt	15s
Run Cargo Deny (bans licenses sources)	55s
Run Cargo Deny (advisories)	49s
Run RustDoc	1m 19s
Run Cargo Tests	29s
Check if committed Helm charts are up to date	49s
Run Clippy	39s
Check if committed README is the one we would render from the available parts	24s
All tests passed	3s
Package Charts, Build Docker Image and publish them - ubicloud-standard-8-arm	10m 1s
Package Charts, Build Docker Image and publish them - ubuntu-latest	13m 6s
Build and publish manifest list	43s
Run the OpenShift Preflight check on the published images	18s
	31m 47s

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