fix(model): compatible constructor with sequelize (#1310)

Author: lukashroch

package-lock.json

@@ -131,7 +131,7 @@
     "prettyjson": "1.2.5",
     "reflect-metadata": "0.1.13",
     "release-it": "14.12.4",
-    "sequelize": "6.16.1",
+    "sequelize": "6.20.1",
     "sinon": "13.0.1",
     "sinon-chai": "3.7.0",
     "source-map-support": "0.5.21",
@@ -144,6 +144,6 @@
     "@types/node": "*",
     "@types/validator": "*",
     "reflect-metadata": "*",
-    "sequelize": ">=6.8.0"
+    "sequelize": ">=6.20.1"
   }
 }

package.json

@@ -4,6 +4,7 @@ import {
   ModelAttributes,
   FindOptions,
   BuildOptions,
+  Utils,
 } from 'sequelize';
 import { capitalize } from '../../shared/string';
 import { inferAlias } from '../../associations/alias-inference/alias-inference-service';
@@ -48,7 +49,7 @@ export abstract class Model<
     return super.init<MS, M>(attributes, options);
   }
 
-  constructor(values?: TCreationAttributes, options?: BuildOptions) {
+  constructor(values?: Utils.MakeNullishOptional<TCreationAttributes>, options?: BuildOptions) {
     if (!new.target.isInitialized) {
       throw new ModelNotInitializedError(new.target, `${new.target.name} cannot be instantiated.`);
     }