Add Google Tag Manager to usage tab in User Settings

This adds GTM to -/profile/usage_quotas#pipelines-quota-tab.

Resolves https://gitlab.com/gitlab-com/marketing/digital-experience/buyer-experience/-/issues/234

ee/app/views/groups/usage_quotas/index.html.haml

+- content_for :page_specific_javascripts do
+  = render "layouts/google_tag_manager_head"
+  = render "layouts/one_trust"
+= render "layouts/google_tag_manager_body"
+
 - page_title s_("UsageQuota|Usage")
 - url_to_purchase_storage = buy_storage_path(@group) if purchase_storage_link_enabled?(@group)
 - pending_members_page_path = pending_members_group_usage_quotas_path(@group) if @group.user_cap_available?

ee/app/views/profiles/usage_quotas/index.html.haml

+- content_for :page_specific_javascripts do
+  = render "layouts/google_tag_manager_head"
+  = render "layouts/one_trust"
+= render "layouts/google_tag_manager_body"
+
 - page_title s_("UsageQuota|Usage")
 - @content_class = "limit-container-width" unless fluid_layout
 - url_to_purchase_storage = purchase_storage_url if purchase_storage_link_enabled?(@namespace)

ee/app/views/subscriptions/buy_minutes.html.haml

 - page_title _('Buy CI Minutes')
 - content_for :page_specific_javascripts do
   = render "layouts/one_trust"
+  = render "layouts/google_tag_manager_head"
+= render "layouts/google_tag_manager_body"
 
 #js-buy-minutes{ data: buy_addon_data(@group, @account_id, @active_subscription, 'pipelines-quota-tab', s_('Checkout|CI minutes')) }