Update netbox Docker tag to v7.4.8

Author: renovate[bot]

my-apps/home/netbox/kustomization.yaml

@@ -7,7 +7,7 @@ resources:
 helmCharts:
 - name: netbox
   repo: oci://ghcr.io/netbox-community/netbox-chart
-  version: 7.4.5
+  version: 7.4.8
   releaseName: netbox
   namespace: netbox
   valuesFile: values.yaml