add discord announcement when a new release goes out

.github/workflows/release.yml

@@ -34,3 +34,11 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
+
+      - name: Send a Discord notification if a publish happens
+        #if: steps.changesets.outputs.published == 'true'
+        env:
+          DISCORD_WEBHOOK: ${{ secrets.DISCORD_WEBHOOK }}
+        uses: Ilshidur/action-discord@0.3.2
+        with:
+          args: '🚀 A new release just went out!\nCheck it out: https://github.com/snowpackjs/astro/releases'