Update alpine-vaultwarden-v5.sh

lower ram

ct/alpine-vaultwarden-v5.sh

@@ -22,7 +22,7 @@ echo -e "Loading..."
 APP="Alpine-Vaultwarden"
 var_disk="0.3"
 var_cpu="1"
-var_ram="512"
+var_ram="256"
 var_os="alpine"
 var_version="3.17"
 NSAPP=$(echo ${APP,,} | tr -d ' ')