ci: Tweak the integration test configuration #2696

Job	Run time
Run RustDoc	1m 28s
Run Rustfmt	18s
Run Clippy	39s
Run Cargo Deny (advisories)	55s
Run Cargo Deny (bans licenses sources)	56s
Decide if Helm charts are pushed to the helm repository based on action trigger	4s
Run Cargo Udeps	1m 57s
Check if committed Helm charts are up to date	48s
Check if committed README is the one we would render from the available parts	27s
Run Cargo Tests	36s
All tests passed	10s
Package Charts, Build Docker Image and publish them - ubuntu-latest	11m 34s
Package Charts, Build Docker Image and publish them - ubicloud-standard-8-arm	9m 15s
Build and publish manifest list	39s
Run the OpenShift Preflight check on the published images	21s
	30m 7s

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