feat: Add listener support #52

Job	Run time
Run Cargo Deny (advisories)	46s
Run Cargo Udeps	1m 47s
Run Cargo Tests	38s
Check if committed README is the one we would render from the available parts	27s
Decide if Helm charts are pushed to the helm repository based on action trigger	3s
Run RustDoc	1m 24s
Check if committed Helm charts are up to date	39s
Run Clippy	40s
Run Rustfmt	16s
Run Cargo Deny (bans licenses sources)	43s
All tests passed	2s
Package Charts, Build Docker Image and publish them - ubuntu-latest	38m 26s
Package Charts, Build Docker Image and publish them - ubicloud-standard-8-arm	10m 1s
Build and publish manifest list	41s
Run the OpenShift Preflight check on the published images	17s
	56m 50s

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