Your requirements could not be resolved to an installable set of packages.
Problem 1
- Root composer.json requires code-lts/doctum ^5.5 -> satisfiable by code-lts/doctum[v5.5.0, ..., 5.x-dev].
- orchestra/testbench[v9.0.0, ..., 9.x-dev] require symfony/process ^7.0 -> satisfiable by symfony/process[v7.0.0-BETA1, ..., 7.2.x-dev].
- Conclusion: don't install symfony/process v7.1.3 (conflict analysis result)
- Root composer.json requires orchestra/testbench ^9.0 -> satisfiable by orchestra/testbench[v9.0.0, ..., 9.x-dev].
Are there any plans to support Symfony v7?