Update release action (#2548)

Author: rhullah

.github/workflows/discord.yml

@@ -19,7 +19,7 @@ jobs:
     steps:
       - name: on-publish
         if: github.event_name == 'release' && github.event.action == 'published'
-        uses: SethCohen/github-releases-to-discord@v1.13.1
+        uses: SethCohen/github-releases-to-discord@v1.15.0
         with:
           webhook_url: ${{ secrets.DISCORD_WEBHOOK }}
       - name: on-success