NO NOT MERGE: flip non-trapping default to test under CI

Author: erights

packages/non-trapping-shim/shim.js

@@ -4,8 +4,8 @@ import { ReflectPlus, ObjectPlus, ProxyPlus } from './src/non-trapping-pony.js';
 
 const nonTrappingShimOption = getEnvironmentOption(
   'SES_NON_TRAPPING_SHIM',
-  'disabled',
-  ['enabled'],
+  'enabled',
+  ['disabled'],
 );
 
 if (nonTrappingShimOption === 'enabled') {