Add the U32 Version payload to the 0x0D VERSION messages

Part 1 (of 2) of handling the latest deconz firmware

Original code from @frederic34 in WebThingsIO/serial-prober-node#11 (comment)

From reading the spec at page 9 of
https://deconz.dresden-elektronik.de/raspbian/deCONZ-Serial-Protocol-en_1.14.pdf
this should already have been present since at least 2019.
Apparently the newer firmware is more strict and checks message lengths,
rejecting messages for incorrect formats.