Fix unmet prerequisites help URL

See https://gitlab.com/gitlab-org/gitlab/-/issues/341354

Changelog: fixed

app/helpers/ci/jobs_helper.rb

@@ -7,7 +7,7 @@ module Ci
         "endpoint" => project_job_path(@project, @build, format: :json),
         "project_path" => @project.full_path,
         "artifact_help_url" => help_page_path('user/gitlab_com/index.html', anchor: 'gitlab-cicd'),
-        "deployment_help_url" => help_page_path('user/project/clusters/index.html', anchor: 'troubleshooting'),
+        "deployment_help_url" => help_page_path('user/project/clusters/deploy_to_cluster.html', anchor: 'troubleshooting'),
         "runner_settings_url" => project_runners_path(@build.project, anchor: 'js-runners-settings'),
         "page_path" => project_job_path(@project, @build),
         "build_status" => @build.status,