Update to gdb 16.2

[guyush1]

A new gdb version was released a few days ago.
Upgrade to the release tag, and apply the proper fixes in order to allow static compilation.

[georglauterbach]

I'd love that as well :) By now, GDB 16.2 has been released :)

[georglauterbach]

If there is anything that I can reasonably assist you with, please let me know :)

[guyush1]

done :)