(closes #2787) Add NEMOv5 GPU tests in the integration test and guarantee full reproducibility

[sergisiso]

Since the integration time increased a lot, I skip some passthrough runs unless a re-run of a job is explicitly requested (considering that the same issue will already make the transformation fail, and it is only useful when we are looking for more precise information during a second run).

[codecov]

Codecov Report

Attention: Patch coverage is 75.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 99.89%. Comparing base (10a3a6e) to head (cad20f3).
Report is 16 commits behind head on master.

Files with missing lines	Patch %	Lines
src/psyclone/psyir/nodes/omp_directives.py	75.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2859      +/-   ##
==========================================
- Coverage   99.89%   99.89%   -0.01%     
==========================================
  Files         359      359              
  Lines       50995    51001       +6     
==========================================
+ Hits        50940    50945       +5     
- Misses         55       56       +1     

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