Update netboxcommunity/netbox Docker tag to v3.5.6

Author: renovate[bot]

charts/netbox/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 name: netbox
 version: 4.1.7
 # renovate: image=netboxcommunity/netbox
-appVersion: v3.3.2
+appVersion: v3.5.6
 description: IP address management (IPAM) and data center infrastructure management (DCIM) tool
 home: https://github.com/chaosdorf/helm-charts/tree/main/charts/netbox
 icon: https://raw.githubusercontent.com/netbox-community/netbox/develop/docs/netbox_logo.png