Export exec params to env

[ppinchuk]

New feature to export exec params as env vars so they can be used in the shell script as well as the execution command itself

[codecov-commenter]

Codecov Report

❌ Patch coverage is 95.65217% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 96.98%. Comparing base (7a4513f) to head (c56e639).

Files with missing lines	Patch %	Lines
gaps/hpc.py	87.50%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #176      +/-   ##
==========================================
- Coverage   97.02%   96.98%   -0.05%     
==========================================
  Files          28       28              
  Lines        3232     3254      +22     
  Branches      436      440       +4     
==========================================
+ Hits         3136     3156      +20     
- Misses         66       67       +1     
- Partials       30       31       +1     

Flag	Coverage Δ
unittests	96.98% <95.65%> (-0.05%)	⬇️

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