Merge branch 'rel/3.6.3' into 'v3.6'

Version 3.6.3

See merge request fsl/fslpy!303
3 jobs for 3.6.3 in 1 minute and 30 seconds (queued for 5 seconds)
latest
Status Name Job ID Coverage
  Build
passed build-pypi-dist #46578
docker

00:01:00

 
  Deploy
passed deploy-pypi #46579
docker manual

00:00:30

manual deploy-zenodo #46580
docker allowed to fail manual