Use correct runner categorization

This change updates the team attribution of the runner controllers,
runner controllers are managed by the Runner Group.

app/controllers/admin/runners_controller.rb

@@ -8,7 +8,7 @@ class Admin::RunnersController < Admin::ApplicationController
     push_frontend_feature_flag(:runner_list_view_vue_ui, current_user, default_enabled: :yaml)
   end
-  feature_category :continuous_integration
+  feature_category :runner
   NUMBER_OF_RUNNERS_PER_PAGE = 30

app/controllers/groups/runners_controller.rb

@@ -7,7 +7,7 @@ class Groups::RunnersController < Groups::ApplicationController
   before_action :runner, only: [:edit, :update, :destroy, :pause, :resume, :show]
-  feature_category :continuous_integration
+  feature_category :runner
   def show
   end

app/controllers/projects/runners_controller.rb

@@ -6,7 +6,7 @@ class Projects::RunnersController < Projects::ApplicationController
   layout 'project_settings'
-  feature_category :continuous_integration
+  feature_category :runner
   def index
     redirect_to project_settings_ci_cd_path(@project, anchor: 'js-runners-settings')