upgrade deps

packages/hydrooj/package.json

@@ -25,18 +25,18 @@
         "lru-cache": "^6.0.0",
         "moment-timezone": "^0.5.31",
         "mongodb": "^3.6.3",
-        "nodemailer": "^6.4.15",
+        "nodemailer": "^6.4.16",
         "ps-list": "^7.2.0",
         "serialize-javascript": "^5.0.1",
         "sockjs": "^0.3.20",
         "superagent": "^6.1.0",
         "supports-color": "^7.2.0",
-        "systeminformation": "^4.29.1",
+        "systeminformation": "^4.30.1",
         "yargs": "^16.0.3"
     },
     "devDependencies": {
         "@types/adm-zip": "^0.4.33",
-        "@types/fs-extra": "^9.0.3",
+        "@types/fs-extra": "^9.0.4",
         "@types/js-yaml": "^3.12.5",
         "@types/koa": "^2.11.4",
         "@types/koa-router": "^7.4.1",