CI: workaround build: disable rebase

.gitlab-ci/build.yml

@@ -12,6 +12,11 @@ pipeline-image:
     entrypoint: ['']
   variables:
     GODEBUG: "http2client=0"
+  # TODO: remove the override
+  # currently rebase.sh depends on bash (not available in the kaniko image)
+  # once we have a simpler rebase (which should be easy if the target branch ref is available as variable
+  # we'll be able to rebase here as well hopefully
+  before_script: []
   script:
     - echo "{\"auths\":{\"$CI_REGISTRY\":{\"auth\":\"$(echo -n ${CI_REGISTRY_USER}:${CI_REGISTRY_PASSWORD} | base64)\"}}}" > /kaniko/.docker/config.json
     - /kaniko/executor --cache=true