Update audits.stub

Author: wuwx

database/migrations/audits.stub

@@ -23,7 +23,7 @@ class CreateAuditsTable extends Migration
             $table->text('new_values')->nullable();
             $table->text('url')->nullable();
             $table->ipAddress('ip_address')->nullable();
-            $table->string('user_agent')->nullable();
+            $table->string('user_agent', 1023)->nullable();
             $table->string('tags')->nullable();
             $table->timestamps();