Update spack-stack-dev from spack develop a9c879d

[climbfuji]

Description

Update spack-stack-dev from spack develop a9c879d. This is the last commit before the compilers as nodes (dependencies) PR was merged".

Additional PRs cherry-picked from spack develop:

• ci: don't run unit-test on ubuntu 20.04 spack/spack#49826 (for GitHub runner updates)

Additional changes:

commit c2885c9720f35d0a0f42e40de8c90bec4861a275
Author: Dom Heinzeller <dom.heinzeller@icloud.com>
Date:   Tue Apr 22 08:25:25 2025 -0600

    Bug fix in var/spack/repos/builtin/packages/parallel-netcdf/package.py: when Cray compiler wrappers are used, set MPICC instead of --with-mpi

commit 9f75492e3f10ecd16f33c039b76e31a1732ce772
Author: Test User <spack@example.com>
Date:   Tue Apr 22 07:39:28 2025 -0600

    Bug fix in var/spack/repos/builtin/packages/met/package.py: add missing rpath for Python libraries to all binaries built by met (post-install)

commit 1a0befe046a68ebe164ab77fc0fe69cef7800b9d
Author: Test User <spack@example.com>
Date:   Tue Apr 22 07:38:18 2025 -0600

    Re-enable license header checks in share/spack/qa/run-style-tests

commit 545020091688dc460f4260141914d62a5596739f
Author: Test User <spack@example.com>
Date:   Wed Apr 16 11:16:39 2025 -0600

    Fix %gcc syntax in var/spack/repos/builtin/packages/py-kiwisolver/package.py, revert forced variants in var/spack/repos/builtin/packages/py-netcdf4/package.py

commit 1cda713c8a9cd590f35bca8260ba168883110a94
Author: Test User <spack@example.com>
Date:   Wed Apr 16 08:33:22 2025 -0600

    Add missing 'import spack.compiler' to packages g2, madis, mpich, py-numpy

commit 11b76be78f2962ccafb6926f6ce84d47e7f070c8
Author: Dom Heinzeller <dom.heinzeller@icloud.com>
Date:   Wed Apr 16 07:59:36 2025 -0600

    Fix style error in var/spack/repos/builtin/packages/py-dask-expr/package.py

Upstream PRs for most of these changes and other spack-stack-dev changes that were missing in spack develop:

• Various package updates from JCSDA spack-stack-dev: crtm, g2, grads, hdf, ip, met, metplus, py-kiwisolver, py-pyogrio, py-ruamel-yaml-clib, wgrib2 spack/spack#50108
• Not yet created: met, py-scipy, parallel-netcdf, py-netcdf4

Merge conflicts resolved (see also file merge-conflicts.txt, temporarily committed to this branch):

Unmerged paths:
  (use "git add <file>..." to mark resolution)
        both modified:   .github/workflows/unit_tests.yaml
        both modified:   lib/spack/docs/bootstrapping.rst
        both modified:   lib/spack/spack/__init__.py
        both modified:   lib/spack/spack/bootstrap/core.py
        both modified:   lib/spack/spack/cmd/bootstrap.py
        both modified:   lib/spack/spack/solver/asp.py
        both modified:   lib/spack/spack/spec.py
        both modified:   lib/spack/spack/test/abi_splicing.py
        both added:      var/spack/repos/builtin.mock/packages/splice-depends-on-t/package.py
        both modified:   var/spack/repos/builtin/packages/awscli-v2/package.py
        both modified:   var/spack/repos/builtin/packages/crtm/package.py
        both modified:   var/spack/repos/builtin/packages/esmf/package.py
        both modified:   var/spack/repos/builtin/packages/g2/package.py
        both modified:   var/spack/repos/builtin/packages/gobject-introspection/package.py
        both modified:   var/spack/repos/builtin/packages/grads/package.py
        both modified:   var/spack/repos/builtin/packages/hdf/package.py
        both modified:   var/spack/repos/builtin/packages/hdf5/package.py
        both modified:   var/spack/repos/builtin/packages/ip/package.py
        both modified:   var/spack/repos/builtin/packages/libxkbcommon/package.py
        both modified:   var/spack/repos/builtin/packages/mapl/package.py
        both modified:   var/spack/repos/builtin/packages/met/package.py
        both modified:   var/spack/repos/builtin/packages/metplus/package.py
        both modified:   var/spack/repos/builtin/packages/nco/package.py
        both modified:   var/spack/repos/builtin/packages/node-js/package.py
        both modified:   var/spack/repos/builtin/packages/parallel-netcdf/package.py
        both added:      var/spack/repos/builtin/packages/py-antimeridian/package.py
        both added:      var/spack/repos/builtin/packages/py-dask-expr/package.py
        both added:      var/spack/repos/builtin/packages/py-datashader/package.py
        both added:      var/spack/repos/builtin/packages/py-geoviews/package.py
        both added:      var/spack/repos/builtin/packages/py-holoviews/package.py
        both added:      var/spack/repos/builtin/packages/py-hvplot/package.py
        both modified:   var/spack/repos/builtin/packages/py-netcdf4/package.py
        both modified:   var/spack/repos/builtin/packages/py-ruamel-yaml-clib/package.py
        both modified:   var/spack/repos/builtin/packages/py-scipy/package.py
        both added:      var/spack/repos/builtin/packages/py-spatialpandas/package.py
        both added:      var/spack/repos/builtin/packages/py-uxarray/package.py
        both modified:   var/spack/repos/builtin/packages/python/package.py
        both modified:   var/spack/repos/builtin/packages/wgrib2/package.py

Testing

• CI
• See Update spack branch spack-stack-dev from spack develop hash a9c879d spack-stack#1607

Issues

Closes #497
Working towards JCSDA/spack-stack#1604