upgrade to micromamba v2

[h-vetinari]

Mamba v2 has been out for over a year, but we're still on v1 here

docker-images/scripts/run_commands

Line 9 in a13e64f

export micromamba_version="1.5.10-0"

[jaimergp]

The pin is due to mamba-org/mamba#3570. Not sure if latest v2 releases have addressed that.

[h-vetinari]

mamba v2.5 has mamba-org/mamba#4101, which should hopefully resolve this (the windows portion of mamba-org/mamba#3570 is obviously not relevant for the docker images)