Add PHONY for variable targets #73

Job	Run time
call-build-workflow / check-secrets	2s
call-build-workflow / ${{ inputs.operator_name }}-operator-bundle	-1s
call-build-workflow / Build ${{ inputs.operator_name }}-operator image using buildah	-1s
call-build-workflow / operator-index	-1s
	-1s

Provide feedback