message: fix k8s PR building
diff: @@ -20,7 +20,7 @@ else
  CI_OVERRIDE_IMAGE_REPO=""
  fi
  -if [ "$TYPE" == "pullrequest" ]; then
  +if [ "$BUILD_TYPE" == "pullrequest" ]; then
  /kubectl-build-deploy/scripts/git-checkout-pull-merge.sh "$SOURCE_REPOSITORY" "$PR_HEAD_SHA" "$PR_BASE_SHA"
  else
  /kubectl-build-deploy/scripts/git-checkout-pull.sh "$SOURCE_REPOSITORY" "$GIT_REF"
  