ci: Tweak the integration test configuration #2695

Job	Run time
Decide if Helm charts are pushed to the helm repository based on action trigger	2s
Run Rustfmt	12s
Run Cargo Deny (advisories)	45s
Run Cargo Deny (bans licenses sources)	48s
Run Cargo Udeps	1m 48s
Check if committed README is the one we would render from the available parts	29s
Check if committed Helm charts are up to date	46s
Run Cargo Tests	31s
Run Clippy	45s
Run RustDoc	1m 15s
All tests passed	4s
Package Charts, Build Docker Image and publish them - ubicloud-standard-8-arm	9m 28s
Package Charts, Build Docker Image and publish them - ubuntu-latest	16m 43s
Build and publish manifest list	47s
Run the OpenShift Preflight check on the published images	16s
	34m 39s

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