Fix variable expansion in upgrade log message

Use double quotes for LATEST_IMAGE variable in log output so it
expands correctly inside the nohup subshell.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: andrasbacsai

scripts/upgrade.sh

@@ -221,7 +221,7 @@ nohup bash -c "
     else
         log 'Using standard docker-compose configuration'
         log 'Running docker compose up...'
-        docker run -v /data/coolify/source:/data/coolify/source -v /var/run/docker.sock:/var/run/docker.sock \${DOCKER_CONFIG_MOUNT} --rm \${REGISTRY_URL:-ghcr.io}/coollabsio/coolify-helper:\${LATEST_HELPER_VERSION} bash -c \"LATEST_IMAGE=\${LATEST_IMAGE} docker compose --project-name coolify --env-file /data/coolify/source/.env -f /data/coolify/source/docker-compose.yml -f /data/coolify/source/docker-compose.prod.yml up -d --remove-orphans --wait --wait-timeout 60\" >>\"\$LOGFILE\" 2>&1
+        docker run -v /data/coolify/source:/data/coolify/source -v /var/run/docker.sock:/var/run/docker.sock \${DOCKER_CONFIG_MOUNT} \${REGISTRY_URL:-ghcr.io}/coollabsio/coolify-helper:\${LATEST_HELPER_VERSION} bash -c \"LATEST_IMAGE=\${LATEST_IMAGE} docker compose --project-name coolify --env-file /data/coolify/source/.env -f /data/coolify/source/docker-compose.yml -f /data/coolify/source/docker-compose.prod.yml up -d --remove-orphans --wait --wait-timeout 60\" >>\"\$LOGFILE\" 2>&1
     fi
     log 'Docker compose up completed'
 
@@ -231,7 +231,7 @@ nohup bash -c "
     log 'Step 6/6: Upgrade complete'
     echo '============================================================' >>\"\$LOGFILE\"
     log 'Coolify upgrade completed successfully'
-    log 'Version: \${LATEST_IMAGE}'
+    log \"Version: \${LATEST_IMAGE}\"
     echo '' >>\"\$LOGFILE\"
     echo '============================================================' >>\"\$LOGFILE\"
     echo \"Upgrade completed: \$(date '+%Y-%m-%d %H:%M:%S')\" >>\"\$LOGFILE\"