fix: Cloudflare Tunnel HTTP/2、监控去重、AutoKuma 健康检查

- cloudflared 改 HTTP/2 协议（QUIC 被干扰导致 1033）
- 监控 URL 改为内网直连（避免 Docker 回路不通）
- AutoKuma 依赖 uptime-kuma 健康检查后再启动
- 删除手动监控，AutoKuma 独管，解决重复问题

cloudflared/compose.yml

@@ -3,7 +3,7 @@ services:
     image: cloudflare/cloudflared:latest
     container_name: cloudflared
     restart: unless-stopped
-    command: tunnel run
+    command: tunnel --protocol http2 run
     volumes:
       - ./config.yml:/etc/cloudflared/config.yml:ro
       - ./credentials.json:/etc/cloudflared/credentials.json:ro