rename cloud build pubsub topic

terraform/modules/fourkeys-cloud-build-parser/README.md

@@ -1,3 +1,8 @@
+This module creates the pubsub topic and parser for Cloud Build. The name of the pubsub topic is important! 
+
+Cloud Build is designed so that if a topic exists named `cloud-builds`, build events are automatically written to it. But that topic is not created by default, [it has to be deliberately created](https://cloud.google.com/build/docs/subscribe-build-notifications#receiving_build_notifications).
+
+
 <!-- BEGIN_TF_DOCS -->
 ## Requirements
 

terraform/modules/fourkeys-cloud-build-parser/main.tf

@@ -46,7 +46,7 @@ resource "google_cloud_run_service" "cloudbuild_parser" {
 
 resource "google_pubsub_topic" "cloudbuild" {
   project = var.project_id
-  name    = "cloudbuild"
+  name    = "cloud-builds"
 }
 
 resource "google_pubsub_topic_iam_member" "service_account_editor" {