chore(deps): update n8n to v2.4.8

Author: renovate[bot]

gitops/apps/n8n/n8n-helmrelease.yaml

@@ -31,7 +31,7 @@ spec:
       dataStorage:
         enabled: false
     image:
-      tag: "2.4.6" # renovate: datasource=docker depName=n8nio/n8n
+      tag: "2.4.8" # renovate: datasource=docker depName=n8nio/n8n
     # Database configuration
     config:
       database: