Signers-Voting Chore(s): Round Up & Round-Data Getter

[setzeus]

Description

This is a small PR that addresses two small issues found in the .Signers-Voting.clar Clarity contract. In draft as is it's still missing relevant tests.

Applicable issues

#4457
#4487

Additional info (benefits, drawbacks, caveats)

Checklist

• Test coverage for new or modified code paths
• Changelog is updated
• Required documentation changes (e.g., docs/rpc/openapi.yaml and rpc-endpoints.md for v2 endpoints, event-dispatcher.md for new events)
• New clarity functions have corresponding PR in clarity-benchmarking repo
• New integration test(s) added to bitcoin-tests.yml

[codecov]

Codecov Report

Attention: Patch coverage is 90.08264% with 12 lines in your changes are missing coverage. Please review.

Project coverage is 83.12%. Comparing base (6278946) to head (6e4113c).

Additional details and impacted files

@@            Coverage Diff             @@
##             next    #4496      +/-   ##
==========================================
- Coverage   83.35%   83.12%   -0.23%     
==========================================
  Files         453      453              
  Lines      328223   328342     +119     
  Branches      323      323              
==========================================
- Hits       273574   272942     -632     
- Misses      54641    55392     +751     
  Partials        8        8              

Files	Coverage Δ
...src/chainstate/stacks/boot/signers_voting_tests.rs	96.19% <100.00%> (+0.22%)	⬆️
...lib/src/chainstate/stacks/boot/signers-voting.clar	8.33% <0.00%> (-1.35%)	⬇️

... and 26 files with indirect coverage changes

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[hstove]

Clarity code looks good and I've manually tested the round up mechanism, and it works as expected

[obycode]

lgtm. Thanks @setzeus

[hstove]

I have a question, but that's just from not being sure how state is setup in this test. LGTM!