message: Fix `\n` in Zulip message
diff: @@ -130,5 +130,11 @@ jobs:
  ZULIP_API_TOKEN: ${{ secrets.ZULIP_API_TOKEN }}
  run: |
  ~/.local/bin/zulip-send --stream miri --subject "Cron Job Failure" \
  - --message 'Dear @**RalfJ** and @**oli**\n\nIt would appear that the Miri cron job build failed. Would you mind investigating this issue?\n\nThanks in advance!\nSincerely,\nThe Miri Cronjobs Bot' \
  + --message 'Dear @**RalfJ** and @**oli**
  +
  + It would appear that the Miri cron job build failed. Would you mind investigating this issue?
  +
  + Thanks in advance!
  + Sincerely,
  + The Miri Cronjobs Bot' \
  --user $ZULIP_BOT_EMAIL --api-key $ZULIP_API_TOKEN --site https://rust-lang.zulipchat.com
  