Bump laravel/pulse from 1.8.0 to 1.8.1

Bumps [laravel/pulse](https://github.com/laravel/pulse) from 1.8.0 to 1.8.1.
- [Release notes](https://github.com/laravel/pulse/releases)
- [Changelog](https://github.com/laravel/pulse/blob/1.x/CHANGELOG.md)
- [Commits](laravel/pulse@v1.8.0...v1.8.1)

---
updated-dependencies:
- dependency-name: laravel/pulse
  dependency-version: 1.8.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]