New release

• Update __version__ in gpaw/__init__.py.

• If a new ase release is required to pass the tests modify __ase_version_required__ in gpaw/__init__.py.

• Upload to PyPI:

  $ python3 -m build
  $ twine upload dist/*
  

• Push and make a tag.

• Update News, Release notes and Getting the source code pages.

• Increase the version number and push.

• Send announcement email to the gpaw-users mailing list:

  $ git shortlog -s -n 25.7.0.. | python3 -c "
  import sys
  names = [line.split(maxsplit=1)[1].strip() for line in sys.stdin]
  for name in sorted(names):
      print('*', name)"