message: Remove quotes around `$DRAFT` argument
  gh will complain if there is an empty `""`, which is the case if
  `$DRAFT` is unset.
diff: @@ -124,4 +124,4 @@ jobs:
  --base "$BASE_BRANCH" \
  --title "$PR_TITLE" \
  --body "$PR_BODY" \
  - "$DRAFT"
  + ${DRAFT:+"$DRAFT"} # no quotes around $DRAFT. gh will error out if there is an empty ""
  