fix(pzserver): start with --ip instead of -ip (#3724)

`-ip` is not parsed correctly by the new build 41 release. See https://github.com/GameServerManagers/LinuxGSM/discussions/3711#discussioncomment-1844368

lgsm/config-default/config-lgsm/pzserver/_default.cfg

@@ -13,7 +13,7 @@ ip="0.0.0.0"
 adminpassword="CHANGE_ME"
 
 ## Server Parameters | https://docs.linuxgsm.com/configuration/start-parameters#additional-parameters
-startparameters="-ip ${ip} -adminpassword \"${adminpassword}\" -servername ${selfname}"
+startparameters="--ip ${ip} -adminpassword \"${adminpassword}\" -servername ${selfname}"
 
 #### LinuxGSM Settings ####