Attempt to suppress embeds in Discord webhook (#23807)

Closes: https://github.com/zed-industries/zed/issues/6884

(hopefully 🤞)

Release Notes:

- N/A

.github/workflows/community_release_actions.yml

@@ -29,7 +29,8 @@ jobs:
           maxLength: 2000
           truncationSymbol: "..."
       - name: Discord Webhook Action
-        uses: tsickert/discord-webhook@c840d45a03a323fbc3f7507ac7769dbd91bfb164 # v5.3.0
+        uses: tsickert/discord-webhook@86dc739f3f165f16dadc5666051c367efa1692f4 # v6.0.0
         with:
           webhook-url: ${{ secrets.DISCORD_WEBHOOK_URL }}
           content: ${{ steps.get-content.outputs.string }}
+          flags: 4 # suppress embeds - https://discord.com/developers/docs/resources/message#message-object-message-flags