Allow creation of MLDSA witness keys

[AlCutter]

No description provided.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 0% with 32 lines in your changes missing coverage. Please review.
✅ Project coverage is 25.07%. Comparing base (9dd69e8) to head (ed91d5f).

Files with missing lines	Patch %	Lines
cmd/generate_keys_gcp/main.go	0.00%	17 Missing ⚠️
cmd/generate_keys/main.go	0.00%	15 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #538      +/-   ##
==========================================
- Coverage   25.27%   25.07%   -0.21%     
==========================================
  Files          30       30              
  Lines        2073     2090      +17     
==========================================
  Hits          524      524              
- Misses       1455     1472      +17     
  Partials       94       94              

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