pygolang: v↑ 0.1 -> 0.1-69-g044deb35

Upgrading pygolang in the context of SlapOS brings in some minor speedup
and fixes, but is mostly needed for ors-amarisoft software release due
to fix for a memory leak and optimized timers:

nexedi/pygolang@2ec5e96b
nexedi/pygolang@044deb35

The full list of the changes is below:

nexedi/pygolang@pygolang-0.1...pygolang-0.1-69-g044deb35

/cc ORS team (@jhuge, @lu.xu, @tomo, @xavier_thompson, @Daetalus)
/reviewed-by @jerome
/reviewed-on nexedi/slapos!1569