chore: upgrade deps for minimatch vuln.

[knightedcodemonkey]

No description provided.

[Copilot]

Pull request overview

This PR updates transitive dependencies to address a reported minimatch vulnerability, refreshes related tooling versions, and improves error chaining by attaching underlying errors as cause.

Changes:

• Bump package version to 4.0.1 and update dev tooling (ESLint 10, c8 11, vite 7.3.1).
• Update lockfile to pull in minimatch@10.x (and related dependency tree updates).
• Add cause to a couple of thrown Errors for better debugging context.

Reviewed changes

Copilot reviewed 5 out of 6 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
src/util.js	Attaches JSON parse error as cause when --exports-config is invalid.
src/init.js	Minor initialization cleanup (let parsed, let stats, let pkg).
src/duel.js	Attaches filesystem error as cause when dual build output is missing.
package.json	Version bump + devDependency upgrades (ESLint/c8/vite) aligned with vuln remediation.
package-lock.json	Lockfile refresh pulling in patched minimatch and updated toolchain dependency graph.
eslint.config.js	Removes explicit n/no-unsupported-features/node-builtins overrides (config simplification).

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[codecov]

Codecov Report

❌ Patch coverage is 70.00000% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 93.54%. Comparing base (ffafd84) to head (4746eb9).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/duel.js	0.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #107      +/-   ##
==========================================
- Coverage   93.62%   93.54%   -0.08%     
==========================================
  Files           4        4              
  Lines        2195     2199       +4     
==========================================
+ Hits         2055     2057       +2     
- Misses        140      142       +2     

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