Authenticate when pulling image for Dive

Vojtěch Hauserrequested to merge
vojtech.hauser/gitlab-ci-templates:patch-1 into main

Fixes fatal error "initializing source docker://registry.myorg.com/image/tmp:1234: Requesting bearer token: invalid status code from registry 403 (Forbidden)" in skopeo copy.

Edited by Vojtěch Hauser

Merge request reports