Update to new UM tag

Author: blimlim

spack.yaml

@@ -9,7 +9,7 @@
 # - CICE4 from ESM1.5 and change to CICE5 once CICE5 SPR has been updated.
 spack:
   specs:
-    - access-esm1p6@git.dev_2025.04.000
+    - access-esm1p6@git.dev_2025.06.000
   packages:
     mom5:
       require:
@@ -20,7 +20,7 @@ spack:
         - '@git.access-esm1.6-2025.04.000=access-esm1.5'
     um7:
       require:
-        - '@git.access-esm1.6-2025.04.000=access-esm1.6'
+        - '@git.access-esm1.6-2025.06.000=access-esm1.6'
     gcom4:
       require:
         - '@git.2024.05.28=access-esm1.5'
@@ -68,7 +68,7 @@ spack:
         projections:
           access-esm1p6: '{name}/dev_2025.04.000'
           cice4: '{name}/access-esm1.6-2025.04.000-{hash:7}'
-          um7: '{name}/access-esm1.6-2025.04.000-{hash:7}'
+          um7: '{name}/access-esm1.6-2025.06.000-{hash:7}'
           mom5: '{name}/dev-2025.03.001-{hash:7}'
   config:
     install_tree: