Fix an issue with numeric data provider keys in PHPUnit >= 10
Fixed:
- Fix an issue with numeric data provider keys and run tests with format clear for both PHPUnit >= 10 and PHPUnit < 10 by @sidz in #1900
- Disable Box Requirements Checker as it conflicts with symfony/service-contracts package by @sidz in #1902
- build: Disable the requirement checker by @theofidry in #1903
Full Changelog: 0.27.8...0.27.9