MC-4126: Duplicate row border after switching Row appearance

- Update target browsers to IE 11

Author: davemacaulay

app/code/Magento/PageBuilder/view/adminhtml/web/ts/.babelrc.js

@@ -18,7 +18,7 @@ module.exports = {
             {
                 loose: true,
                 targets: {
-                    browsers: ['last 2 versions', 'ie >= 10']
+                    browsers: ['last 2 versions', 'ie >= 11']
                 },
                 modules: 'amd'
             }