judge: fix cac load (close #1154)

packages/hydrojudge/bin/hydrojudge.js

@@ -1,6 +1,6 @@
 #!/usr/bin/env node
 
-const argv = require('cac')().parse();
+const argv = require('cac')().cac().parse();
 require('@hydrooj/register');
 
 if (argv.args[0] === 'cache') require('../src/cache')();

packages/hydrojudge/package.json

@@ -1,7 +1,7 @@
 {
     "name": "@hydrooj/hydrojudge",
     "bin": "bin/hydrojudge.js",
-    "version": "4.0.0",
+    "version": "4.0.1",
     "main": "./src/index.ts",
     "author": "undefined <i@undefined.moe>",
     "repository": "https://github.com/hydro-dev/Hydro.git",