Update audits.stub

enhanced auditable_id to be string instead of int

database/migrations/audits.stub

@@ -22,7 +22,7 @@ class CreateAuditsTable extends Migration
 
             $table->bigIncrements('id');
             $table->string($morphPrefix . '_type')->nullable();
-            $table->unsignedBigInteger($morphPrefix . '_id')->nullable();
+            $table->string($morphPrefix . '_id')->nullable();
             $table->string('event');
             $table->morphs('auditable');
             $table->text('old_values')->nullable();