ci: Harden workflows #316

Job	Run time
Detect relevant changed files	5s
Build/Publish amd64 Image	6m 54s
Run cargo-udeps	1m 59s
Build/Publish arm64 Image	6m 6s
Publish/Sign 0.0.0-pr721 Index	46s
Package/Publish 0.0.0-pr721 Helm Chart	44s
Run OpenShift Preflight Check for 0.0.0-pr721-arm64	25s
Run OpenShift Preflight Check for 0.0.0-pr721-amd64	27s
Failure Notification	0s
Finished Build and Publish	2s
	17m 28s

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