Update OpenClaw to 2026.2.24 and enhance gateway configuration options

- Added `gateway_remote_url` and `gateway_additional_allowed_origins` options for improved remote gateway support.
- Updated startup guidance for `gateway_auth_mode=trusted-proxy`.
- Adjusted token retrieval instructions in the landing page.
- Updated translations for new configuration options.
- Fixed various issues related to gateway settings and TLS certificate generation.

.github/workflows/release-discord.yaml

@@ -41,7 +41,7 @@ jobs:
           fi
 
           PAYLOAD=$(jq -n \
-            --arg title "🚀 New release published: $TITLE" \
+            --arg title "🚀 New App/Add-on release published: $TITLE" \
             --arg repo "$REPO" \
             --arg tag "$RELEASE_TAG" \
             --arg url "$RELEASE_URL" \