Update to v4.7.4.8

Author: DeepWoods

Dockerfile

@@ -1,8 +1,8 @@
 FROM ubuntu:latest
 
 LABEL maintainer="Rob Asher"
-LABEL version="4.7.4.7"
-LABEL release-date="2026-04-17"
+LABEL version="4.7.4.8"
+LABEL release-date="2026-05-20"
 LABEL source="https://github.com/deepwoods/nxcloud-docker"
 
 ENV TZ=${TZ:-Etc/UTC}