Build OM2 with wombatlite-sinking (991e993)

* Includes ACCESS-NRI/GFDL-generic-tracers@991e993

spack.yaml

@@ -5,7 +5,7 @@
 spack:
   # add package specs to the `specs` list
   specs:
-    - access-om2@git.2024.12.0
+    - access-om2@git.2024.12.2
   packages:
     cice5:
       require:
@@ -37,10 +37,11 @@ spack:
       require:
       # FIXME: This would need to be changed to a stable version before release
         - '@git.dev_2024.12.0'
+    # Includes wombatlite-sinking: https://github.com/ACCESS-NRI/GFDL-generic-tracers/commit/991e993e8391470711a12bcc66480925cb506d30
     access-generic-tracers:
       require:
       # FIXME: This would need to be changed to a stable version before release.
-        - '@git.dev_2024.12.0'
+        - '@git.dev_2024.12.2'
     access-mocsy:
       require:
         - '@git.2017.12.0'
@@ -62,7 +63,7 @@ spack:
           - libaccessom2
           - oasis3-mct
         projections:
-          access-om2: '{name}/2024.12.0'
+          access-om2: '{name}/2024.12.2'
           cice5: '{name}/2023.10.19-{hash:7}'
           mom5: '{name}/dev_2024.08.14-{hash:7}'
           libaccessom2: '{name}/2023.10.26-{hash:7}'