fix: rename registerToken to registrationToken

Author: FutabaRio

src/apis/auth.ts

@@ -70,15 +70,15 @@ export interface RegisterResponse {}
 
 export const requestRegister = (
   email: string,
-  registerToken: string,
+  registrationToken: string,
   username: string,
   password: string,
 ) => {
   return jsonRequest<Response<RegisterResponse>>('/user/register', {
     method: 'POST',
     json: {
       email,
-      register_token: registerToken,
+      registration_token: registrationToken,
       user_name: username,
       password,
     },