arch: prevent shell string escape in codepy cmdline strings

[mloubout]

No description provided.

[FabioLuporini]

Uncontroversial

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 92.11%. Comparing base (f52cf7b) to head (c08d714).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2715   +/-   ##
=======================================
  Coverage   92.11%   92.11%           
=======================================
  Files         248      248           
  Lines       49641    49644    +3     
  Branches     4367     4367           
=======================================
+ Hits        45726    45729    +3     
  Misses       3208     3208           
  Partials      707      707           

Flag	Coverage Δ
pytest-gpu-aomp-amdgpuX	71.08% <100.00%> (+<0.01%)	⬆️
pytest-gpu-nvc-nvidiaX	72.05% <100.00%> (+<0.01%)	⬆️

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