Update description text for dependency proxy settings

Changelog: changed

app/assets/javascripts/packages_and_registries/settings/group/constants.js

@@ -45,7 +45,7 @@ export const PACKAGE_FORWARDING_FORM_BUTTON = __('Save changes');
 
 export const DEPENDENCY_PROXY_HEADER = s__('DependencyProxy|Dependency Proxy');
 export const DEPENDENCY_PROXY_DESCRIPTION = s__(
-  'DependencyProxy|Enable the Dependency Proxy and settings for clearing the cache.',
+  'DependencyProxy|Enable the Dependency Proxy to cache container images from Docker Hub and automatically clear the cache.',
 );
 
 export const PACKAGE_FORWARDING_FIELDS = [

locale/gitlab.pot

@@ -15428,7 +15428,7 @@ msgstr ""
 msgid "DependencyProxy|Enable Dependency Proxy"
 msgstr ""
-msgid "DependencyProxy|Enable the Dependency Proxy and settings for clearing the cache."
+msgid "DependencyProxy|Enable the Dependency Proxy to cache container images from Docker Hub and automatically clear the cache."
 msgstr ""
 msgid "DependencyProxy|Image list"