Update babel preset-env config to use corejs 3.23 (#1126)

Author: andyexeter

symfony/webpack-encore-bundle/1.10/webpack.config.js

@@ -53,7 +53,7 @@ Encore
     // enables and configure @babel/preset-env polyfills
     .configureBabelPresetEnv((config) => {
         config.useBuiltIns = 'usage';
-        config.corejs = 3;
+        config.corejs = '3.23';
     })
 
     // enables Sass/SCSS support