Merge branch '39727-add-axios-to-common' into 'master'

Import axios utils in commons chunks

See merge request gitlab-org/gitlab-ce!15721

app/assets/javascripts/commons/index.js

@@ -3,3 +3,4 @@ import './polyfills';
 import './jquery';
 import './bootstrap';
 import './vue';
+import '../lib/utils/axios_utils';

changelogs/unreleased/39727-add-axios-to-common.yml

+---
+title: Add axios to common file
+merge_request:
+author:
+type: performance