ci: Tweak the integration test configuration #2709

Job	Run time
Run Cargo Deny (advisories)	46s
Decide if Helm charts are pushed to the helm repository based on action trigger	2s
Run Cargo Udeps	1m 58s
Run Cargo Deny (bans licenses sources)	43s
Run Rustfmt	12s
Check if committed README is the one we would render from the available parts	28s
Run Clippy	30s
Check if committed Helm charts are up to date	40s
Run RustDoc	1m 13s
Run Cargo Tests	41s
All tests passed	4s
Package Charts, Build Docker Image and publish them - ubicloud-standard-8-arm	9m 15s
Package Charts, Build Docker Image and publish them - ubuntu-latest	11m 36s
Build and publish manifest list	50s
Run the OpenShift Preflight check on the published images	16s
	29m 14s

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