chore(deps): update dependency cross-env to v10

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This PR contains the following updates:

Package	Change	Age	Confidence
cross-env	^7.0.3 -> ^10.0.0

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Release Notes

kentcdodds/cross-env (cross-env)

v10.0.0

Compare Source

TL;DR: You should probably not have to change anything if:

• You're using a modern maintained version of Node.js (v20+ is tested)
• You're only using the CLI (most of you are as that's the intended purpose)

In this release (which should have been v8 except I had some issues with automated releases 🙈), I've updated all the things and modernized the package. This happened in #​261

Was this needed? Not really, but I just thought it'd be fun to modernize this package.

Here's the highlights of what was done.

• Replace Jest with Vitest for testing
• Convert all source files from .js to .ts with proper TypeScript types
• Use zshy for ESM-only builds (removes CJS support)
• Adopt @​epic-web/config for TypeScript, ESLint, and Prettier
• Update to Node.js >=20 requirement
• Remove kcd-scripts dependency
• Add comprehensive e2e tests with GitHub Actions matrix testing
• Update GitHub workflow with caching and cross-platform testing
• Modernize documentation and remove outdated sections
• Update all dependencies to latest versions
• Add proper TypeScript declarations and exports

The tool maintains its original functionality while being completely modernized with the latest tooling and best practices

BREAKING CHANGES

• This is a major rewrite that changes the module format from CommonJS to ESM-only. The package now requires Node.js >=20 and only exports ESM modules (not relevant in most cases).

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