Merge branch 'rel/2.3.1' into 'v2.3'

TEST: Fix to idle test

See merge request fsl/fslpy!141
3 jobs for 2.3.1 in 1 minute and 29 seconds
latest
Status Name Job ID Coverage
  Build
passed build-pypi-dist #18915
docker

00:00:52

 
  Deploy
passed deploy-pypi #18916
docker manual

00:00:36

manual deploy-zenodo #18917
docker allowed to fail manual