[stable/2023.2] Add build request failure monitoring [ATMOSPHERE-249] (#1429)

This is an automated cherry-pick of #1414
/assign mnaser
diff --git a/roles/defaults/vars/main.yml b/roles/defaults/vars/main.yml
index fa337ee..c365cd1 100644
--- a/roles/defaults/vars/main.yml
+++ b/roles/defaults/vars/main.yml
@@ -187,7 +187,7 @@
   prometheus_memcached_exporter: quay.io/prometheus/memcached-exporter:v0.14.3
   prometheus_mysqld_exporter: quay.io/prometheus/mysqld-exporter:v0.15.1
   prometheus_node_exporter: quay.io/prometheus/node-exporter:v1.8.1
-  prometheus_openstack_database_exporter: ghcr.io/vexxhost/openstack-database-exporter:v0.3.0
+  prometheus_openstack_database_exporter: ghcr.io/vexxhost/openstack-database-exporter:v0.4.2
   prometheus_openstack_exporter: ghcr.io/openstack-exporter/openstack-exporter:1.7.0
   prometheus_operator_kube_webhook_certgen: registry.k8s.io/ingress-nginx/kube-webhook-certgen:v20221220-controller-v1.5.1-58-g787ea74b6
   prometheus_operator: quay.io/prometheus-operator/prometheus-operator:v0.74.0