Adapt tests & docs with 4.0.1 #1824

Job	Run time
Run Cargo Udeps	1m 58s
Run Rustfmt	13s
Run Cargo Deny (bans licenses sources)	47s
Select target helm repository based on action trigger	3s
Run Cargo Deny (advisories)	45s
Run RustDoc	1m 9s
Check if committed README is the one we would render from the available parts	22s
Check if committed Helm charts are up to date	36s
Run Cargo Tests	41s
Run Clippy	30s
All tests passed	3s
Package Charts, Build Docker Image and publish them - ubicloud-standard-8-arm	10m 36s
Package Charts, Build Docker Image and publish them - ubuntu-latest	11m 26s
Build and publish manifest list	52s
Run the OpenShift Preflight check on the published images	14s
	30m 15s

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