core: oauth: fix uid mapping

packages/hydrooj/package.json

@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "3.4.12",
+    "version": "3.4.13",
     "bin": "bin/hydrooj.js",
     "main": "src/loader",
     "module": "src/loader",

packages/hydrooj/src/model/oauth.ts

@@ -15,10 +15,10 @@ class OauthModel {
         return null;
     }
 
-    static async set(_id: string, value: number) {
+    static async set(_id: string, uid: number) {
         const res = await coll.findOneAndUpdate(
             { _id },
-            { $set: { value } },
+            { $set: { uid } },
             { upsert: true, returnDocument: 'after' },
         );
         return res.value?.uid;