chore: update build-tools dependency to use main branch

[amanabiy]

Switch from transition-main-do-not-edit branch to main branch for @cloudscape-design/build-tools dependency

Description

Related links, issue #, if available: n/a

How has this been tested?

Review checklist

The following items are to be evaluated by the author(s) and the reviewer(s).

Correctness

• Changes include appropriate documentation updates.
• Changes are backward-compatible if not indicated, see CONTRIBUTING.md.
• Changes do not include unsupported browser features, see CONTRIBUTING.md.
• Changes were manually tested for accessibility, see accessibility guidelines.

Security

• If the code handles URLs: all URLs are validated through the checkSafeUrl function.

Testing

• Changes are covered with new/existing unit tests?
• Changes are covered with new/existing integration tests?

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 95.54%. Comparing base (68425be) to head (d12228f).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #387      +/-   ##
==========================================
+ Coverage   95.51%   95.54%   +0.03%     
==========================================
  Files          67       67              
  Lines        3278     3278              
  Branches      706      706              
==========================================
+ Hits         3131     3132       +1     
+ Misses        147      146       -1     

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