In Prometheus use update! instead of update

In order to not miss any errors since we are not checking the return
value of update

app/models/clusters/applications/prometheus.rb

@@ -21,7 +21,7 @@ module Clusters
       state_machine :status do
         after_transition any => [:installed] do |application|
           application.cluster.projects.each do |project|
-            project.find_or_initialize_service('prometheus').update(active: true)
+            project.find_or_initialize_service('prometheus').update!(active: true)
           end
         end
       end
@@ -94,7 +94,7 @@ module Clusters
 
       def disable_prometheus_integration
         cluster.projects.each do |project|
-          project.prometheus_service&.update(active: false)
+          project.prometheus_service&.update!(active: false)
         end
       end
 

spec/models/clusters/applications/prometheus_spec.rb

@@ -40,7 +40,7 @@ describe Clusters::Applications::Prometheus do
     end
 
     it 'ensures Prometheus service is activated' do
-      expect(prometheus_service).to receive(:update).with(active: true)
+      expect(prometheus_service).to receive(:update!).with(active: true)
 
       subject.make_installed
     end