Update CICE5 version to 2026.01.000. Switch to Cmake for CICE5, expose grid layout to user

Author: aidanheerdegen

spack.yaml

@@ -6,7 +6,7 @@
 # Build with:
 # - UM7 from dev-access-esm1.6 branch
 # - MOM5 from master branch with access-generic-tracers (wombatlite) as a library
-# - CICE5 from ESM1.6 branch
+# - CICE5
 spack:
   specs:
     - access-esm1p6@git.2026.01.000 cice=5
@@ -18,7 +18,8 @@ spack:
     # Major components
     cice5:
       require:
-        - '@git.access-esm1.6-2025.11.001=access-esm1.6'
+        - '@2026.01.000'
+        - 'nxglob=360 nyglob=300 blckx=30 blcky=300 mxblcks=1' # grid size and block size
     um7:
       require:
         - '@git.2025.12.000=access-esm1.6'