feat(helm): Allow Pod priorityClassName to be configured #2659

Job	Run time
Run RustDoc	1m 19s
Run Clippy	37s
Run Cargo Deny (bans licenses sources)	45s
Run Rustfmt	16s
Decide if Helm charts are pushed to the helm repository based on action trigger	2s
Run Cargo Deny (advisories)	55s
Run Cargo Udeps	1m 54s
Check if committed README is the one we would render from the available parts	28s
Run Cargo Tests	30s
Check if committed Helm charts are up to date	53s
All tests passed	3s
Package Charts, Build Docker Image and publish them - ubicloud-standard-8-arm	10m 7s
Package Charts, Build Docker Image and publish them - ubuntu-latest	12m 38s
Build and publish manifest list	43s
Run the OpenShift Preflight check on the published images	21s
	31m 31s

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