Disable Turbo for omniauth links

When Turbo is enabled for these links, the CSP directive changes to `connect-src` (due to the JavaScript fetch). However, since we are leaving CodeHarbor anyway, we just disable Turbo and thus prevent any Turbo-related issues.

Author: MrSerth

app/views/users/registrations/edit.html.slim

@@ -88,7 +88,7 @@
             a.btn.btn-light.btn-sm.mb-2.me-2.disabled href='#'
               = t('.cannot_remove_last_identity', kind: provider_name)
           - else
-            = button_to(t('.add_identity', kind: provider_name), omniauth_authorize_path(resource_name, provider), class: 'btn btn-light btn-sm mb-2 me-2', method: :post)
+            = button_to(t('.add_identity', kind: provider_name), omniauth_authorize_path(resource_name, provider), class: 'btn btn-light btn-sm mb-2 me-2', method: :post, data: {turbo: false})
 
   .form-group.py-3
     .btn-group role='group'

app/views/users/shared/_links.html.slim

@@ -24,4 +24,5 @@
       = button_to(t('devise.shared.links.sign_in_with_provider', provider: OmniAuth::Utils.camelize(provider)),
               omniauth_authorize_path(resource_name, provider),
               class: 'btn btn-link p-0 border-0',
-              method: :post)
+              method: :post,
+              data: {turbo: false})