v2022.0

Cleanup + update toolchain packages and compiler to GCC 11.2.0.

Package name	Description
mk-2022.0-toolchain.tar.gz	toolchain only
mk-2022.0-base.tar.gz	+ base packages
mk-2022.0-lifex.tar.gz	+ lifex dependencies (deal.II and VTK)
mk-2022.0-pyfex.tar.gz	+ pyfex dependencies (pybind11 and Dakota)
mk-2022.0-full.tar.gz	+ extra software (Fenics, Octave, R)