Add Terraform infrastructure for pr-risk-scorer deployment

Co-authored-by: imjasonh <210737+imjasonh@users.noreply.github.com>

driftlessaf/trigger.tf

@@ -20,3 +20,26 @@ module "pr-workqueue" {
   notification_channels = []
   deletion_protection   = var.deletion_protection
 }
+
+module "pr-risk-scorer-workqueue" {
+  source = "chainguard-dev/common/infra//modules/cloudevents-workqueue"
+
+  project_id = var.project_id
+  name       = "pr-risk-scorer-events"
+  regions    = module.networking.regional-networks
+  broker     = module.cloudevent-broker.broker
+
+  # Empty filter matches all events that have pullrequesturl extension
+  # This includes pull_request, issue_comment on PRs, pull_request_review, etc.
+  filters = [{}]
+
+  extension_key = "pullrequesturl"
+
+  workqueue = {
+    name = module.pr-risk-scorer.receiver.name
+  }
+
+  team                  = var.team
+  notification_channels = []
+  deletion_protection   = var.deletion_protection
+}