Update graham-campbell/testbench requirement from ^3.3 to ^5.2 (#12)
Update graham-campbell/testbench requirement from ^3.3 to ^5.2 (#12)

Updates the requirements on [graham-campbell/testbench](https://github.com/GrahamCampbell/Laravel-TestBench) to permit the latest version.
- [Release notes](https://github.com/GrahamCampbell/Laravel-TestBench/releases)
- [Changelog](https://github.com/GrahamCampbell/Laravel-TestBench/blob/master/CHANGELOG.md)
- [Commits](https://github.com/GrahamCampbell/Laravel-TestBench/compare/v3.3.0...v5.2.0)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>

Co-authored-by: null <bbc507a6616dff25644d3d5695860a60fa5984a2@users.noreply.github.com>
DraperStudio/Domesticated