force recent version of @embroider/macros in Ember Bootstrap v4 test

Author: jelhan

config/ember-try.js

@@ -120,6 +120,9 @@ module.exports = async function () {
           devDependencies: {
             'ember-power-select': '^4.1.7',
           },
+          resolutions: {
+            '@embroider/macros': '^1.5.0',
+          },
         },
       },
     ],