ci: add github-releases-to-discord

.github/workflows/post-release.yml

@@ -37,6 +37,20 @@ jobs:
           comment-template: |
             🚀 This is included in version {release_link}
 
+  github-releases-to-discord:
+    runs-on: ubuntu-latest
+    if: ${{ github.event_name != 'workflow_dispatch' }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Github Releases To Discord
+        uses: SethCohen/github-releases-to-discord@v1
+        with:
+          webhook_url: ${{ secrets.DISCORD_RELEASES_WEBHOOK_URL }}
+          color: '16777215'
+          username: 'Payload Releases'
+          avatar_url: 'https://l4wlsi8vxy8hre4v.public.blob.vercel-storage.com/discord-bot-logo.png'
+
   update_templates:
     if: false # Still needs some troubleshooting
     runs-on: ubuntu-latest