ci: Harden workflows #160

Job	Run time
Detect relevant changed files	6s
Run cargo-udeps	1m 51s
Build/Publish amd64 Image	6m 51s
Build/Publish arm64 Image	6m 6s
Publish/Sign 0.0.0-pr426 Index	43s
Package/Publish 0.0.0-pr426 Helm Chart	33s
Run OpenShift Preflight Check for 0.0.0-pr426-amd64	30s
Run OpenShift Preflight Check for 0.0.0-pr426-arm64	23s
Failure Notification	-1s
Finished Build and Publish	2s
	17m 4s

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