refactor: extract dereference/validate pipeline from reconcile #165

Job	Run time
Detect relevant changed files	6s
Run cargo-udeps	2m 8s
Build/Publish amd64 Image	7m 0s
Build/Publish arm64 Image	5m 38s
Publish/Sign 0.0.0-pr1034 Index	29s
Package/Publish 0.0.0-pr1034 Helm Chart	37s
Run OpenShift Preflight Check for 0.0.0-pr1034-arm64	17s
Run OpenShift Preflight Check for 0.0.0-pr1034-amd64	16s
Failure Notification	0s
Finished Build and Publish	3s
	16m 34s

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