ci: Tweak the integration test configuration #2163

Job	Run time
Check if committed Helm charts are up to date	40s
Check if committed README is the one we would render from the available parts	21s
Run Clippy	25s
Run Cargo Deny (advisories)	41s
Run Cargo Deny (bans licenses sources)	39s
Run RustDoc	1m 5s
Run Rustfmt	13s
Run Cargo Tests	25s
Run Cargo Udeps	1m 15s
Select target helm repository based on action trigger	1s
All tests passed	1s
Package Charts, Build Docker Image and publish them - ubuntu-latest	10m 35s
Package Charts, Build Docker Image and publish them - ubicloud-standard-8-arm	9m 29s
Build and publish manifest list	52s
Run the OpenShift Preflight check on the published images	12s
	26m 54s

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