fix: don't || exit 0 in cleanup build

[JoshuaKGoldberg]

PR Checklist

• Addresses an existing open issue: fixes #000
• That issue was marked as status: accepting prs
• Steps in CONTRIBUTING.md were taken

Overview

Removes the || exit 0 per the issue.

[github-actions]

PR Compliance Checks

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Issue Reference

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (378d1b0) 94.30% compared to head (dae2a01) 94.30%.
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1161   +/-   ##
=======================================
  Coverage   94.30%   94.30%           
=======================================
  Files          99       99           
  Lines        5657     5657           
  Branches      460      459    -1     
=======================================
  Hits         5335     5335           
  Misses        321      321           
  Partials        1        1           

Flag	Coverage Δ
create	70.22% <0.00%> (ø)
initialize	42.46% <0.00%> (ø)
migrate	69.64% <0.00%> (ø)
unit	72.27% <100.00%> (ø)

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[JoshuaKGoldberg]

whoops. fixes #1160.

[github-actions]

🎉 This is included in version v1.52.2 🎉

The release is available on:

• GitHub releases
• npm package (@latest dist-tag)

Cheers! 📦🚀