ci: Harden workflows #516

Job	Run time
Detect relevant changed files	6s
Run cargo-udeps	13s
Build/Publish amd64 Image	31s
Build/Publish arm64 Image	34s
Failure Notification	7s
Publish/Sign ${{ needs.build-container-image.outputs.operator-version }} Index	-1s
Package/Publish ${{ needs.build-container-image.outputs.operator-version }} Helm Chart	-1s
Run OpenShift Preflight Check for ${{ needs.build-container-image.outputs.operator-version }}-${{ matrix.arch }}	-1s
Finished Build and Publish	0s
	1m 28s

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