Merge pull request #445 from effigies/mnt/updates

MNT: Unpin libitk 5.3 (ANTs 2.5.3 is built with 5.4)

Author: mgxd

env.yml

@@ -10,8 +10,6 @@ dependencies:
   # Intel Math Kernel Library for numpy
   - mkl=2023.2
   - mkl-service=2.4
-  # ANTs is linked against libitk 5.3 but does not pin the version
-  - libitk=5.3
   # Base scientific python stack; required by FSL, so pinned here
   - numpy=1.26
   - scipy=1.13