Correct id in audit table

 From int to bigint

Author: MammutAlex

database/migrations/audits.stub

@@ -14,7 +14,7 @@ class CreateAuditsTable extends Migration
     public function up()
     {
         Schema::create('audits', function (Blueprint $table) {
-            $table->increments('id');
+            $table->bigIncrements('id');
             $table->string('user_type')->nullable();
             $table->unsignedBigInteger('user_id')->nullable();
             $table->string('event');