Merge branch...

Merge branch '52103-dropzone-css-is-failing-to-load-on-rspec-dev-and-staging-11-4-0-rc' into 'master'

Resolve "Dropzone css is failing to load on rspec, dev and staging 11.4.0 RC"

Closes #52103

See merge request gitlab-org/gitlab-ce!22272

app/assets/stylesheets/application.scss

@@ -17,7 +17,7 @@
  */
 
 @import "../../../node_modules/pikaday/scss/pikaday";
-@import "../../../node_modules/dropzone/dist/basic.css";
+@import "../../../node_modules/dropzone/dist/basic";
 
 /*
  * GitLab UI framework