feat: Add listener support #59

Job	Run time
Decide if Helm charts are pushed to the helm repository based on action trigger	2s
Run Cargo Udeps	1m 53s
Run Rustfmt	14s
Run Cargo Deny (advisories)	44s
Run RustDoc	1m 13s
Run Cargo Deny (bans licenses sources)	45s
Run Cargo Tests	38s
Run Clippy	29s
Check if committed README is the one we would render from the available parts	28s
Check if committed Helm charts are up to date	36s
All tests passed	2s
Package Charts, Build Docker Image and publish them - ubuntu-latest	14m 28s
Package Charts, Build Docker Image and publish them - ubicloud-standard-8-arm	9m 42s
Build and publish manifest list	40s
Run the OpenShift Preflight check on the published images	16s
	32m 10s

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