chore: add built-in Prometheus support #2442

Job	Run time
Run Cargo Udeps	1m 48s
Run Cargo Deny (bans licenses sources)	21s
Check if committed Helm charts are up to date	47s
Run Cargo Deny (advisories)	23s
Run Clippy	35s
Run RustDoc	1m 13s
Run Cargo Tests	29s
Decide if Helm charts are pushed to the helm repository based on action trigger	2s
Check if committed README is the one we would render from the available parts	25s
Run Rustfmt	13s
All tests passed	4s
Package Charts, Build Docker Image and publish them - ubuntu-latest	15m 14s
Package Charts, Build Docker Image and publish them - ubicloud-standard-8-arm	10m 59s
Build and publish manifest list	1m 5s
Run the OpenShift Preflight check on the published images	19s
	33m 57s

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