Merge branch 'use-global-recaptcha-source' into 'master'

Use globally-available reCAPTCHA source

Closes #56375

See merge request gitlab-org/gitlab-ce!24390

app/assets/javascripts/vue_shared/components/recaptcha_modal.vue

@@ -19,7 +19,7 @@ export default {
   data() {
     return {
       script: {},
-      scriptSrc: 'https://www.google.com/recaptcha/api.js',
+      scriptSrc: 'https://www.recaptcha.net/recaptcha/api.js',
     };
   },