(closes #2601) Update nemo tests to nvhpc 24.5

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 99.86%. Comparing base (f88f535) to head (89a772e).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #2631 +/- ## ======================================= Coverage 99.86% 99.86% ======================================= Files 351 351 Lines 48396 48396 ======================================= Hits 48331 48331 Misses 65 65 ```

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[arporter]

I guess we should switch the nemo 4 tests to use the same Spack environment that you've got working for v5?