feat(docker-image): update quay.io/prometheus/node-exporter docker ta…

…g to v1.7.0

| datasource | package                          | from   | to     |
| ---------- | -------------------------------- | ------ | ------ |
| docker     | quay.io/prometheus/node-exporter | v1.6.1 | v1.7.0 |

config-parts/container.sh

@@ -67,7 +67,7 @@ set container name haproxy-k8s-api volume config mode 'ro'
 set container name node-exporter environment procfs value '/host/proc'
 set container name node-exporter environment rootfs value '/host/rootfs'
 set container name node-exporter environment sysfs value '/host/sys'
-set container name node-exporter image 'quay.io/prometheus/node-exporter:v1.6.1'
+set container name node-exporter image 'quay.io/prometheus/node-exporter:v1.7.0'
 set container name node-exporter memory '0'
 set container name node-exporter allow-host-networks
 set container name node-exporter restart 'on-failure'