chore: upgrade dev deps.

[knightedcodemonkey]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.43%. Comparing base (05aa0dc) to head (f3fd91a).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #55   +/-   ##
=======================================
  Coverage   89.43%   89.43%           
=======================================
  Files          15       15           
  Lines        1467     1467           
  Branches      394      394           
=======================================
  Hits         1312     1312           
  Misses         39       39           
  Partials      116      116           

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[Copilot]

Pull request overview

This PR upgrades the @knighted/duel build tool from version 3.2.0 to 4.0.0-rc.2 and bumps the package version to a release candidate.

• Updated @knighted/duel dev dependency to v4.0.0-rc.2
• Modified build script to use new --mode globals flag
• Added .duel-cache/ directory to gitignore

Reviewed changes

Copilot reviewed 1 out of 3 changed files in this pull request and generated no comments.

File	Description
package.json	Bumped version to 1.6.3-rc.0, upgraded @knighted/duel to 4.0.0-rc.2, and added --mode globals flag to build script
package-lock.json	Updated lockfile to reflect new versions of @knighted/duel (4.0.0-rc.2) and its transitive dependency @knighted/module (1.4.0), removed obsolete node-module-type dependency
.gitignore	Added .duel-cache/ directory to ignore build cache artifacts

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