chore: add GitHub WF to push releases to Discord (#1796)

Author: ymc9

.github/workflows/github-releases-to-discord.yml

@@ -0,0 +1,15 @@
+on:
+    release:
+        types: [published]
+jobs:
+    github-releases-to-discord:
+        runs-on: ubuntu-latest
+        steps:
+            - name: Checkout
+              uses: actions/checkout@v3
+            - name: Github Releases To Discord
+              uses: SethCohen/github-releases-to-discord@v1.13.1
+              with:
+                  webhook_url: ${{ secrets.RELEASE_TO_DISCORD_WEBHOOK_URL }}
+                  avatar_url: 'https://cdn.discordapp.com/avatars/1297059323314176051/df91181b3f1cf0ef1592fbe18e0962d7.webp?size=160'
+                  reduce_headings: true