feat: Add listener support #50

Job	Run time
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	27s
Run Cargo Deny (bans licenses sources)	44s
Run Cargo Tests	33s
Run Cargo Udeps	1m 46s
Run Cargo Deny (advisories)	46s
Run Rustfmt	24s
Run RustDoc	1m 13s
Run Clippy	32s
Check if committed Helm charts are up to date	41s
All tests passed	2s
Package Charts, Build Docker Image and publish them - ubicloud-standard-8-arm	9m 14s
Package Charts, Build Docker Image and publish them - ubuntu-latest	11m 21s
Build and publish manifest list	41s
Run the OpenShift Preflight check on the published images	23s
	28m 49s

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