core: simplify contest & homework logic

packages/hydrooj/package.json

@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "3.14.10",
+    "version": "3.14.11",
     "bin": "bin/hydrooj.js",
     "main": "src/loader",
     "module": "src/loader",
@@ -12,7 +12,7 @@
     },
     "preferUnplugged": true,
     "dependencies": {
-        "@graphql-tools/schema": "^8.4.0",
+        "@graphql-tools/schema": "^8.5.0",
         "@hydrooj/utils": "workspace:*",
         "adm-zip": "0.5.5",
         "ajv": "^8.11.0",
@@ -35,13 +35,13 @@
         "koa-router": "^10.1.1",
         "koa-static-cache": "^5.1.4",
         "lodash": "^4.17.21",
-        "lru-cache": "7.9.0",
+        "lru-cache": "7.12.0",
         "mime-types": "^2.1.35",
         "minio": "7.0.25",
         "moment-timezone": "^0.5.34",
         "mongodb": "^3.7.3",
         "nanoid": "^3.3.4",
-        "nodemailer": "^6.7.5",
+        "nodemailer": "^6.7.7",
         "notp": "^2.0.3",
         "p-queue": "^7.2.0",
         "path-to-regexp": "^6.2.1",
@@ -62,7 +62,7 @@
         "@types/koa-router": "^7.4.4",
         "@types/koa-static-cache": "^5.1.1",
         "@types/lodash": "^4.14.182",
-        "@types/lru-cache": "^7.6.1",
+        "@types/lru-cache": "^7.10.10",
         "@types/mime-types": "^2.1.1",
         "@types/minio": "^7.0.13",
         "@types/mongodb": "^3.6.20",
@@ -72,7 +72,7 @@
         "@types/serialize-javascript": "^5.0.2",
         "@types/source-map-support": "^0.5.4",
         "@types/superagent": "^4.1.15",
-        "moment": "^2.29.3",
+        "moment": "^2.29.4",
         "pm2": "^5.2.0"
     },
     "peerDependencies": {