refactor: Introduce build aggregator (#801) #296

Job	Run time
Detect relevant changed files	5s
Run cargo-udeps	1m 53s
Build/Publish amd64 Image	6m 41s
Build/Publish arm64 Image	6m 53s
Package/Publish 0.0.0-dev Helm Chart	36s
Publish/Sign 0.0.0-dev Index	42s
Run OpenShift Preflight Check for 0.0.0-dev-arm64	32s
Run OpenShift Preflight Check for 0.0.0-dev-amd64	35s
Generate Provenance for 0.0.0-dev (oci.stackable.tech) / detect-env	4s
Generate Provenance for 0.0.0-dev (quay.io) / detect-env	6s
Generate Provenance for 0.0.0-dev (oci.stackable.tech) / generator	32s
Generate Provenance for 0.0.0-dev (quay.io) / generator	20s
Generate Provenance for 0.0.0-dev (quay.io) / final	4s
Finished Build and Publish	2s
Generate Provenance for 0.0.0-dev (oci.stackable.tech) / final	2s
Failure Notification	-1s
	19m 6s

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