Update syncthing to 0.14.46

Dockerfile

@@ -1,7 +1,7 @@
 FROM cloudron/base:0.10.0
 MAINTAINER Syncthing Developers <support@cloudron.io>
 
-ENV VERSION 0.14.45
+ENV VERSION 0.14.46
 
 RUN mkdir -p /app/code \
     && wget https://github.com/syncthing/syncthing/releases/download/v${VERSION}/syncthing-linux-amd64-v${VERSION}.tar.gz -O - \