refactor: Introduce build aggregator #253

Job	Run time
Detect relevant changed files	9s
Run cargo-udeps	2m 5s
Build/Publish arm64 Image	7m 6s
Build/Publish amd64 Image	9m 4s
Publish/Sign 0.0.0-pr1053 Index	37s
Package/Publish 0.0.0-pr1053 Helm Chart	39s
Generate Provenance for 0.0.0-pr1053 (oci.stackable.tech) / detect-env	4s
Run OpenShift Preflight Check for 0.0.0-pr1053-amd64	41s
Run OpenShift Preflight Check for 0.0.0-pr1053-arm64	28s
Generate Provenance for 0.0.0-pr1053 (quay.io) / detect-env	3s
Generate Provenance for 0.0.0-pr1053 (quay.io) / generator	20s
Generate Provenance for 0.0.0-pr1053 (oci.stackable.tech) / generator	37s
Generate Provenance for 0.0.0-pr1053 (quay.io) / final	3s
Finished Build and Publish	4s
Generate Provenance for 0.0.0-pr1053 (oci.stackable.tech) / final	4s
Failure Notification	-1s
	22m 3s

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