Fix congratsbot multiline issue (#1285)

* testing new congrats bot

if you see this, it did not work yet

* try including multiline message

line 2
line 3

.github/workflows/congratsbot.yml

@@ -11,11 +11,14 @@ jobs:
     if: github.repository == 'snowpackjs/astro'
     runs-on: ubuntu-latest
     steps:
+      - id: setup
+        run:  |
+              TRIMMED=$(echo "${{ github.event.commits[0].message }}" | sed '1!d;q')
+              echo "::set-output name=COMMIT_MSG::${TRIMMED}" 
       - name: Send a Discord notification when a PR is merged
-      
         env:
           DISCORD_WEBHOOK: ${{ secrets.DISCORD_WEBHOOK_CONGRATS }}
           # DISCORD_AVATAR: ${{ github.event.pull_request.user.avatar_url }}
         uses: Ilshidur/action-discord@0.3.2
         with:
-          args: '**Sweet!** <${{ github.event.commits[0].author.name }}> just merged ["${{ github.event.commits[0].message }}"](<https://github.com/snowpackjs/astro/commits/main>)'
+          args: '**Sweet!** <${{ github.event.commits[0].author.name }}> just merged ["\"${{ steps.setup.outputs.COMMIT_MSG }}\""](<https://github.com/snowpackjs/astro/commits/main>) ```${{ github.event.commits[0].message }}```'