feat: Add listener support #51

Job	Run time
Decide if Helm charts are pushed to the helm repository based on action trigger	3s
Run Cargo Udeps	1m 56s
Run Clippy	35s
Run Cargo Deny (advisories)	45s
Run Cargo Deny (bans licenses sources)	46s
Run RustDoc	1m 14s
Run Cargo Tests	28s
Run Rustfmt	21s
Check if committed Helm charts are up to date	44s
Check if committed README is the one we would render from the available parts	25s
All tests passed	2s
Package Charts, Build Docker Image and publish them - ubicloud-standard-8-arm	9m 21s
Package Charts, Build Docker Image and publish them - ubuntu-latest	14m 2s
Build and publish manifest list	43s
Run the OpenShift Preflight check on the published images	13s
	31m 38s

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