feat: Add experimental Entra user-info-fetcher backend #1919

Job	Run time
Run Cargo Udeps	2m 2s
Run Cargo Deny (advisories)	26s
Run Rustfmt	32s
Run RustDoc	1m 30s
Run Cargo Deny (bans licenses sources)	29s
Decide if Helm charts are pushed to the helm repository based on action trigger	3s
Check if committed Helm charts are up to date	39s
Run Cargo Tests	42s
Check if committed README is the one we would render from the available parts	24s
Run Clippy	40s
All tests passed	4s
Package Charts, Build Docker Image and publish them - ubicloud-standard-8-arm	10m 47s
Package Charts, Build Docker Image and publish them - ubuntu-latest	12m 8s
Build and publish manifest list	34s
Run the OpenShift Preflight check on the published images	17s
	31m 17s

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