Build in docker container

NB that release binaries should be built in a docker container to baseline against centos7/glibc2.17, unless not possible. As per here: https://github.com/anaconda-distribution/perseverance-skills/blob/438f82a18e6cc5d74593209d57128f7f27c84702/sections/02_Package_building/01_How_tos/Building_GPU_packages.md?plain=1#L138