Use IMAGE_VERSION content as image tag
Fix image tagging, which failed because we were looking for the file in wrong directory.
Example Build: https://gitlab.com/balasankarc/gitlab-omnibus-builder/builds/17996557
Fix image tagging, which failed because we were looking for the file in wrong directory.
Example Build: https://gitlab.com/balasankarc/gitlab-omnibus-builder/builds/17996557