Update packages and the base image

[alephpiece]

What's changed?

Packages

• update system from ubuntu-bionic to ubuntu-jammy
  • gcc from 7.5.0 to 11.4.0
  • llvm from 9.0.0 to 15.0.0 (AMD clang from ROCm is available in the "full" image)
• update spack from v0.17.1 to 0.21.2
• spack is bumped from 0.16.0 to 0.21.2 (the latest spack docker image)
• hipcc is bumped to 5.4 (the latest is 6.x)
• openmpi is bumped from 4.0.5 to 4.1.6
• mpich is bumped from 3.3.2 to 4.1.2
• hdf5 is bumped from 1.10.7 to 1.14.3 (works fine for now)
• tinyxml2 is bumped from 7.0.0 to 10.0.0
• toml11 is bumped from 3.6.0 to 3.7.1
• fmt is bumped from 6.0.0 to 10.1.1
• update yum packages
• remove the dependency blt

Image size reduction

• use slim to reduce image size (from 2.7GB to 2.0GB)

Spack usage

• use spack environments to build packages
• remove spack --reuse option because it's now default behaviour, see Upcoming high-impact changes spack/spack#30634
• replace @ with @= for missing package tags, see Could not install tags that are not listed in the package.py anymore spack/spack#37889 (comment)
• spack load won't set LD_LIBRARY_PATH now, see Don't set LD_LIBRARY_PATH on package load spack/spack#28354

MPI

• add two environment variables OMPI_ALLOW_RUN_AS_ROOT=1 and OMPI_ALLOW_RUN_AS_ROOT_CONFIRM=1 to allow running OpenMPI proccesses as root, See v4.0.x: Allow run-as-root if 2 envars are set open-mpi/ompi#5598