Use pajamas checkbox for user access level form

Changelog: changed
MR: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/84849

app/views/admin/users/_access_levels.html.haml

@@ -11,7 +11,7 @@
     .col-sm-2.col-form-label.gl-pt-0
       = f.label :can_create_group
     .col-sm-10
-      = f.check_box :can_create_group
+      = f.gitlab_ui_checkbox_component :can_create_group, ''
 
   .form-group.row
     .col-sm-2.col-form-label.gl-pt-0
@@ -39,10 +39,7 @@
       = f.label :external
     .hidden{ data: user_internal_regex_data }
     .col-sm-10.gl-display-flex.gl-align-items-baseline
-      = f.check_box :external do
-        = s_('AdminUsers|External')
-      %p.light.gl-pl-2
-        = s_('AdminUsers|External users cannot see internal or private projects unless access is explicitly granted. Also, external users cannot create projects, groups, or personal snippets.')
+      = f.gitlab_ui_checkbox_component :external, s_('AdminUsers|External users cannot see internal or private projects unless access is explicitly granted. Also, external users cannot create projects, groups, or personal snippets.')
       %row.hidden#warning_external_automatically_set
         = gl_badge_tag s_('AdminUsers|Automatically marked as default internal user'), variant: :warning
 
@@ -50,12 +47,9 @@
     - @user.credit_card_validation || @user.build_credit_card_validation
     = f.fields_for :credit_card_validation do |ff|
       .col-sm-2.col-form-label.gl-pt-0
-        = ff.label s_("AdminUsers|Validate user account")
+        = ff.label s_('AdminUsers|Validate user account')
       .col-sm-10.gl-display-flex.gl-align-items-baseline
-        = ff.check_box :credit_card_validated_at, checked: @user.credit_card_validated_at.present?
-        .gl-pl-2
-          .light
-            = s_('AdminUsers|User is validated and can use free CI minutes on shared runners.')
-          .gl-text-gray-600
-            = s_('AdminUsers|A user can validate themselves by inputting a credit/debit card, or an admin can manually validate a user.')
-
+        = ff.gitlab_ui_checkbox_component :credit_card_validated_at,
+          s_('AdminUsers|User is validated and can use free CI minutes on shared runners.'),
+          help_text: s_('AdminUsers|A user can validate themselves by inputting a credit/debit card, or an admin can manually validate a user.'),
+          checkbox_options: { checked: @user.credit_card_validated_at.present? }