change PublicKeyPackage::new() to take min_signers as an Option

[conradoplg]

Closes #999

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 77.93%. Comparing base (3ed40ad) to head (774dda6).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1000   +/-   ##
=======================================
  Coverage   77.93%   77.93%           
=======================================
  Files          41       41           
  Lines        4560     4560           
=======================================
  Hits         3554     3554           
  Misses       1006     1006           

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[natalieesk]

Great

[mergify]

Merge Queue Status

✅ The pull request has been merged at 774dda6

This pull request spent 4 minutes 8 seconds in the queue, including 29 seconds running CI.
The checks were run on draft #1003.

Required conditions to merge

• #approved-reviews-by >= 1 [🛡 GitHub branch protection]
  • change PublicKeyPackage::new() to take min_signers as an Option #1000
• #changes-requested-reviews-by = 0 [🛡 GitHub branch protection]
  • change PublicKeyPackage::new() to take min_signers as an Option #1000
• #review-threads-unresolved = 0 [🛡 GitHub branch protection]
  • change PublicKeyPackage::new() to take min_signers as an Option #1000
• base=main