Test access-spack-packages branch cleanup-before-esm1.6-release

[dougiesquire]

This PR is to test the proposed changes to access-spack-packages in this PR, which:

• removes support for ACCESS-ESM1.5
• removes makefile support from the mom5 SPR
• moves mom5, access_fms, libaccessom2 to numerical versioning

---

🚀 The latest prerelease access-esm1p5/pr54-1 at 793b544 is here: #54 (comment) 🚀

[github-actions]

🚀 Attempted to deploy access-esm1p5 Prerelease pr54-1 with commit 793b544

🖥️ Gadi Deployment ❌

[dougiesquire]

spack.solver.asp.UnsatisfiableSpecError: failed to concretize `access-esm1p5` for the following reasons:
     1. access-esm1p5: access-esm1.5 is only available in access-spack-packages tagged 2026.07.010 and older. Refer to https://github.com/ACCESS-NRI/ACCESS-ESM1.5 for instructions on how to build access-esm1.5.
     2. access-esm1p5: access-esm1.5 is only available in access-spack-packages tagged 2026.07.010 and older. Refer to https://github.com/ACCESS-NRI/ACCESS-ESM1.5 for instructions on how to build access-esm1.5.
        required because conflict constraint  
          required because access-esm1p5 requested explicitly 
        required because conflict is triggered when @latest 
          required because access-esm1p5 requested explicitly 

as expected