Rename internal API endpoint

From ...modules/cilium/network_alert to
...modules/cilium_alert so it matches with
the logic among modules within gitlab agentk

doc/development/internal_api.md

@@ -459,11 +459,11 @@ Cluster.
 | `alert` | Hash | yes | Alerts detail. Currently same format as [3rd party alert](../operations/incident_management/alert_integrations.md#customize-the-alert-payload-outside-of-gitlab). |
 
 ```plaintext
-POST internal/kubernetes/modules/cilium/network_alert
+POST internal/kubernetes/modules/cilium_alert
 ```
 
 Example Request:
 
 ```shell
-curl --request POST   --header "Gitlab-Kas-Api-Request: <JWT token>" --header "Authorization: Bearer <agent token>" --header "Content-Type: application/json" --data '"{\"alert\":{\"title\":\"minimal\",\"message\":\"network problem\",\"evalMatches\":[{\"value\":1,\"metric\":\"Count\",\"tags\":{}}]}}"' "http://localhost:3000/api/v4/internal/kubernetes/modules/cilium/network_alert"
+curl --request POST   --header "Gitlab-Kas-Api-Request: <JWT token>" --header "Authorization: Bearer <agent token>" --header "Content-Type: application/json" --data '"{\"alert\":{\"title\":\"minimal\",\"message\":\"network problem\",\"evalMatches\":[{\"value\":1,\"metric\":\"Count\",\"tags\":{}}]}}"' "http://localhost:3000/api/v4/internal/kubernetes/modules/cilium_alert"
 ```

ee/changelogs/unreleased/rename_endpoint_to_align_with_agenk_modules.yml

+---
+title: Rename internal api endpoint in order align it with the new logic shared among
+  agentk modules.
+merge_request: 50703
+author:
+type: changed

ee/lib/ee/api/internal/kubernetes.rb

@@ -9,7 +9,7 @@ module EE
             namespace 'kubernetes' do
               before { check_agent_token }
 
-              namespace 'modules/cilium/network_alert' do
+              namespace 'modules/cilium_alert' do
                 desc 'POST network alerts' do
                   detail 'Creates network alert'
                 end
@@ -25,7 +25,7 @@ module EE
 
                   forbidden! unless project.feature_available?(:cilium_alerts)
 
-                  result = ::AlertManagement::NetworkAlertService.new(agent.project, params[:alert]).execute
+                  result = ::AlertManagement::NetworkAlertService.new(project, params[:alert]).execute
 
                   status result.http_status
                 end

ee/spec/requests/api/internal/kubernetes_spec.rb

@@ -51,9 +51,9 @@ RSpec.describe API::Internal::Kubernetes do
     end
   end
 
-  describe 'POST /internal/kubernetes/modules/cilium/network_alert' do
+  describe 'POST /internal/kubernetes/modules/cilium_alert' do
     def send_request(headers: {}, params: {})
-      post api('/internal/kubernetes/modules/cilium/network_alert'), params: params, headers: headers.reverse_merge(jwt_auth_headers)
+      post api('/internal/kubernetes/modules/cilium_alert'), params: params, headers: headers.reverse_merge(jwt_auth_headers)
     end
 
     include_examples 'authorization'