Fix docker-compose.json format for rego-tunnel

- Use object format for environment instead of array
- Update image to rego-windows:latest
- Remove deprecated KEY and VERSION

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

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

apps/rego-tunnel/docker-compose.yml

@@ -15,9 +15,9 @@ services:
       - "192.168.0.151:${APP_PORT}:8006"
 
     environment:
-      - RAM_SIZE=${WINDOWS_RAM_GB}G
-      - CPU_CORE=${WINDOWS_CPU_CORES}
-      - DISK_SIZE=${WINDOWS_DISK_SIZE_GB}G
+      RAM_SIZE: ${WINDOWS_RAM_GB}G
+      CPU_CORE: ${WINDOWS_CPU_CORES}
+      DISK_SIZE: ${WINDOWS_DISK_SIZE_GB}G
 
     volumes:
       - ${APP_DATA_DIR}/data/storage:/storage