build: remove semver dependency

[fisker]

PR Checklist

• Addresses an existing open issue: fixes 🚀 Feature: Remove dependency on semver #589
• That issue was marked as status: accepting prs
• Steps in CONTRIBUTING.md were taken

Overview

[JoshuaKGoldberg]

I think this is a good improvement in addition to / in parallel to #576. Even once the build is fixed to not bundle semver, reducing dependencies is a 👍 from me. Filed #589.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 80.89%. Comparing base (b7397b9) to head (de0cfd2).
Report is 14 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #587      +/-   ##
==========================================
+ Coverage   80.74%   80.89%   +0.15%     
==========================================
  Files          35       35              
  Lines        6663     6663              
  Branches      445      448       +3     
==========================================
+ Hits         5380     5390      +10     
+ Misses       1283     1273      -10     

Flag	Coverage Δ
4.3.5	79.67% <50.00%> (?)
4.6.4	79.70% <50.00%> (?)
4.9.5	79.70% <50.00%> (ø)
latest	80.48% <75.00%> (-0.02%)	⬇️

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[JoshuaKGoldberg]

@all-contributors please add @fisker for infra.

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[allcontributors]

@JoshuaKGoldberg

I've put up a pull request to add @fisker! 🎉

[JoshuaKGoldberg]

oh keeping on build: won't trigger a new release... yes!

[RebeccaStevens]

I didn't want to release a new built without #576 first also being merged.