chore(deps): update dependency prometheus_node_exporter to v1.9.1-15

requirements.yml

@@ -69,7 +69,7 @@
   version: v1.10.0-0
   name: prometheus_nginxlog_exporter
 - src: git+https://github.com/mother-of-all-self-hosting/ansible-role-prometheus-node-exporter.git
-  version: v1.9.1-14
+  version: v1.9.1-15
   name: prometheus_node_exporter
 - src: git+https://github.com/mother-of-all-self-hosting/ansible-role-prometheus-postgres-exporter.git
   version: v0.19.1-1