spack.yaml: Update modulefile version in line with package version

Author: CodeGat

spack.yaml

@@ -74,7 +74,7 @@ spack:
           access-esm1p5: '{name}/2024.05.0'
           cice4: '{name}/2024.05.21'
           um7: '{name}/2024.05.21'
-          mom5: '{name}/access-esm1.5_2024.05.24'
+          mom5: '{name}/access-esm1.5_2024.06.20'
   config:
     install_tree:
       root: $spack/../restricted/ukmo/release