[release/v1.0.x] Fix checkout reference name not taken into account#974

matheuscscp merged 1 commit intorelease/v1.0.xfluxcd/image-automation-controller:release/v1.0.xfrom

backport-973-to-release/v1.0.xfluxcd/image-automation-controller:backport-973-to-release/v1.0.xCopy head branch name to clipboard