build(deps): bump inertiajs/inertia-laravel from 2.0.20 to 2.0.21 (#1192)

Bumps [inertiajs/inertia-laravel](https://github.com/inertiajs/inertia-laravel) from 2.0.20 to 2.0.21.
- [Release notes](https://github.com/inertiajs/inertia-laravel/releases)
- [Changelog](https://github.com/inertiajs/inertia-laravel/blob/2.x/CHANGELOG.md)
- [Commits](inertiajs/inertia-laravel@v2.0.20...v2.0.21)

---
updated-dependencies:
- dependency-name: inertiajs/inertia-laravel
  dependency-version: 2.0.21
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]