refactor: Introduce build aggregator #271

Job	Run time
Detect relevant changed files	7s
Build/Publish amd64 Image	16m 20s
Run cargo-udeps	2m 2s
Build/Publish arm64 Image	13m 34s
Package/Publish 0.0.0-pr776 Helm Chart	59s
Publish/Sign 0.0.0-pr776 Index	1m 14s
Run OpenShift Preflight Check for 0.0.0-pr776-arm64	39s
Run OpenShift Preflight Check for 0.0.0-pr776-amd64	41s
Generate Provenance for 0.0.0-pr776 (oci.stackable.tech) / detect-env	3s
Generate Provenance for 0.0.0-pr776 (quay.io) / detect-env	6s
Generate Provenance for 0.0.0-pr776 (oci.stackable.tech) / generator	51s
Generate Provenance for 0.0.0-pr776 (quay.io) / generator	27s
Generate Provenance for 0.0.0-pr776 (quay.io) / final	2s
Finished Build and Publish	3s
Generate Provenance for 0.0.0-pr776 (oci.stackable.tech) / final	3s
Failure Notification	0s
	37m 11s

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