18F/micropurchase

<%= simple_form_for [:admin, status.auction], url: admin_auction_path, method: :patch do |f| %>
  <%= f.hidden_field :c2_status, value: 'budget_approved', hidden: true %>
  <%= f.submit t('statuses.c2_presenter.pending_approval.actions.approve'),
      class: 'usa-button usa-button-outline action-button' %>
<% end %>