use longText

Author: QuentinGab

database/migrations/create_workflows_table.php.stub

@@ -12,7 +12,7 @@ return new class extends Migration
             $table->id();
 
             // serialized class
-            $table->json('definition');
+            $table->longText('definition');
 
             // last run step
             $table->string('step')->nullable();