Add clusters application usage ping for Jupyter

Relates to https://gitlab.com/gitlab-org/gitlab/issues/35714

lib/gitlab/usage_data.rb

@@ -78,6 +78,7 @@ module Gitlab
             clusters_applications_runner: count(::Clusters::Applications::Runner.available),
             clusters_applications_knative: count(::Clusters::Applications::Knative.available),
             clusters_applications_elastic_stack: count(::Clusters::Applications::ElasticStack.available),
+            clusters_applications_jupyter: count(::Clusters::Applications::Jupyter.available),
             in_review_folder: count(::Environment.in_review_folder),
             grafana_integrated_projects: count(GrafanaIntegration.enabled),
             groups: count(Group),

spec/lib/gitlab/usage_data_spec.rb

@@ -49,6 +49,7 @@ describe Gitlab::UsageData do
       create(:clusters_applications_runner, :installed, cluster: gcp_cluster)
       create(:clusters_applications_knative, :installed, cluster: gcp_cluster)
       create(:clusters_applications_elastic_stack, :installed, cluster: gcp_cluster)
+      create(:clusters_applications_jupyter, :installed, cluster: gcp_cluster)
 
       create(:grafana_integration, project: projects[0], enabled: true)
       create(:grafana_integration, project: projects[1], enabled: true)
@@ -149,6 +150,7 @@ describe Gitlab::UsageData do
         clusters_applications_runner
         clusters_applications_knative
         clusters_applications_elastic_stack
+        clusters_applications_jupyter
         in_review_folder
         grafana_integrated_projects
         groups
@@ -242,6 +244,7 @@ describe Gitlab::UsageData do
       expect(count_data[:clusters_applications_knative]).to eq(1)
       expect(count_data[:clusters_applications_elastic_stack]).to eq(1)
       expect(count_data[:grafana_integrated_projects]).to eq(2)
+      expect(count_data[:clusters_applications_jupyter]).to eq(1)
     end
 
     it 'works when queries time out' do