try to fix build

Author: abhishek97

src/db/models.ts

@@ -27,7 +27,7 @@ const Langs = db.define('langs', {
 })
 export type LangsAttributes = { lang_slug: string, lang_name:string, lang_version: string }
 
-const Submissions = db.define('submissions', {
+const Submissions = db.define<Sequelize.Instance<SubmissionAttributes> ,SubmissionAttributes>('submissions', {
   id: {
     type: Sequelize.INTEGER,
     autoIncrement: true,
@@ -43,7 +43,7 @@ const Submissions = db.define('submissions', {
   start_time: Sequelize.DATE,
   end_time: Sequelize.DATE,
   results: Sequelize.ARRAY(Sequelize.INTEGER),
-  outputs: Sequelize.ARRAY(Sequelize.STRING)
+  outputs: Sequelize.ARRAY(Sequelize.STRING),
 }, {
   paranoid: true, // We do not want to lose any submission data
   timestamps: false // Start and end times are already logged