Update Group-level Analytics redirect

Previously the top-level link in the left-nav menu for Group-level
Analytics redirected to the Contribution Analytics feature. Now
Value Stream Analytics is considered the default feature, so this
updates the redirect accordingly.

ee/changelogs/unreleased/293689-update-group-analytics-redirect.yml

+---
+title: Change the Group Analytics navigation link to go to the Value Stream Analytics page
+merge_request: 51165
+author:
+type: changed

ee/config/routes/group.rb

@@ -11,7 +11,7 @@ constraints(::Constraints::GroupUrlConstrainer.new) do
       patch :override, on: :member
     end
 
-    get '/analytics', to: redirect('groups/%{group_id}/-/contribution_analytics')
+    get '/analytics', to: redirect('groups/%{group_id}/-/analytics/value_stream_analytics')
     resource :contribution_analytics, only: [:show]
 
     namespace :analytics do

ee/spec/requests/groups/contribution_analytics_spec.rb

@@ -11,9 +11,9 @@ RSpec.describe 'contribution analytics' do
     login_as(user)
   end
 
-  it 'redirects from -/analytics to -/contribution_analytics' do
+  it 'redirects from -/analytics to -/analytics/value_stream_analytics' do
     get "/groups/#{group.full_path}/-/analytics"
 
-    expect(response).to redirect_to(group_contribution_analytics_path(group.full_path))
+    expect(response).to redirect_to(group_analytics_cycle_analytics_path(group.full_path))
   end
 end