ci: Improve build workflow #5

Job	Run time
Build/Publish amd64 Image	6m 28s
Build/Publish arm64 Image	5m 32s
Publish/Sign 0.0.0-pr713 Index	4s
Package/Publish 0.0.0-pr713 Helm Chart	10s
Run OpenShift Preflight Check for ${{ needs.build-container-image.outputs.operator-version }}-${{ matrix.arch }}	0s
Failure Notification	10s
	12m 24s

Provide feedback