typo fix saving client_id as integer not as json

database/migrations/create_harvest_projects_table.php.stub

@@ -16,7 +16,7 @@ class CreateHarvestProjectsTable extends Migration
         Schema::create($tableName, function (Blueprint $table) {
             $table->increments('id');
             $table->integer('external_id');
-            $table->json('client_id');
+            $table->integer('client_id');
             $table->string('name');
             $table->string('code');
             $table->boolean('is_active');