To have a version in every library for proper cache versioning

Seen in review

In order for Drupal to have proper query string in HTML render for every library and proper CDN cache invalidation for static assets ( CSS, JS ) we always should keep versions in specific libraries in *.libraries.yml

Before

qsUserProfileAdmin:
  css:
    theme:
      stylesheets/admin/chosen.css: {}
      stylesheets/admin/admin.css: {}
  js:
    assets/js/admin/chosen.jquery.js: {}
    assets/js/admin/custom_admin.js: {}

After

qsUserProfileAdmin:
  version: 1.0
  css:
    theme:
      stylesheets/admin/chosen.css: {}
      stylesheets/admin/admin.css: {}
  js:
    assets/js/admin/chosen.jquery.js: {}
    assets/js/admin/custom_admin.js: {}