Update backup script and deploy script to ensure cronjob can stop service properly

vaultwarden/backup.sh

@@ -2,6 +2,9 @@
 
 # Note: use rclone for backup, needs manually configuration.
 
+export XDG_RUNTIME_DIR="/run/user/$(id -u)"
+export DBUS_SESSION_BUS_ADDRESS="unix:path=$XDG_RUNTIME_DIR/bus"
+
 SOURCE=""
 LOCAL_BACKUP="$HOME/.local/backup/"
 REMOTE=""