fix: Replace DummyOperator by EmptyOperator in docs (#797) #441

Job	Run time
Detect relevant changed files	5s
Build/Publish amd64 Image	6m 45s
Build/Publish arm64 Image	5m 23s
Run cargo-udeps	2m 2s
Package/Publish 0.0.0-dev Helm Chart	32s
Publish/Sign 0.0.0-dev Index	25s
Run OpenShift Preflight Check for 0.0.0-dev-arm64	18s
Run OpenShift Preflight Check for 0.0.0-dev-amd64	16s
Failure Notification	-1s
Finished Build and Publish	2s
	15m 47s

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