docs: Document how to configure user-info-fetcher Keycloak user (#739) #2009

Job	Run time
Decide if Helm charts are pushed to the helm repository based on action trigger	2s
Run Cargo Udeps	2m 5s
Run Cargo Deny (advisories)	1m 33s
Run Cargo Deny (bans licenses sources)	33s
Run Rustfmt	13s
Run RustDoc	1m 28s
Run Cargo Tests	39s
Run Clippy	37s
Check if committed README is the one we would render from the available parts	32s
Check if committed Helm charts are up to date	41s
All tests passed	15s
Package Charts, Build Docker Image and publish them - ubicloud-standard-8-arm	11m 55s
Package Charts, Build Docker Image and publish them - ubuntu-latest	15m 0s
Build and publish manifest list	39s
Run the OpenShift Preflight check on the published images	27s
	36m 39s

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