chore: add built-in Prometheus support #2447

Job	Run time
Run Cargo Udeps	1m 52s
Decide if Helm charts are pushed to the helm repository based on action trigger	3s
Run Rustfmt	13s
Run Cargo Deny (bans licenses sources)	26s
Run Cargo Deny (advisories)	27s
Run Clippy	41s
Run Cargo Tests	40s
Run RustDoc	1m 19s
Check if committed Helm charts are up to date	39s
Check if committed README is the one we would render from the available parts	30s
All tests passed	2s
Package Charts, Build Docker Image and publish them - ubicloud-standard-8-arm	11m 30s
Package Charts, Build Docker Image and publish them - ubuntu-latest	11m 47s
Build and publish manifest list	1m 3s
Run the OpenShift Preflight check on the published images	38s
	31m 50s

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