Bump laravel/pint from 1.17.2 to 1.17.3 in /graph-tutorial

Bumps [laravel/pint](https://github.com/laravel/pint) from 1.17.2 to 1.17.3.
- [Release notes](https://github.com/laravel/pint/releases)
- [Changelog](https://github.com/laravel/pint/blob/main/CHANGELOG.md)
- [Commits](laravel/pint@v1.17.2...v1.17.3)

---
updated-dependencies:
- dependency-name: laravel/pint
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]