Your requirements could not be resolved to an installable set of packages.
Problem 1
- Root composer.json requires phpspec/phpspec 7.4.0 -> satisfiable by phpspec/phpspec[7.4.0].
- phpspec/phpspec 7.4.0 requires php ^7.3 || 8.0.* || 8.1.* || 8.2.* -> your php version (8.3.0) does not satisfy that requirement.
Problem 2
- Root composer.json requires phpspec/prophecy 1.17.0 -> satisfiable by phpspec/prophecy[v1.17.0].
- phpspec/prophecy v1.17.0 requires php ^7.2 || 8.0.* || 8.1.* || 8.2.* -> your php version (8.3.0) does not satisfy that requirement.
Problem 3
- phpspec/phpspec 7.4.0 requires php ^7.3 || 8.0.* || 8.1.* || 8.2.* -> your php version (8.3.0) does not satisfy that requirement.
- friends-of-phpspec/phpspec-code-coverage v6.3.0 requires phpspec/phpspec ^6.0 || ^7.0 -> satisfiable by phpspec/phpspec[7.4.0].
- Root composer.json requires friends-of-phpspec/phpspec-code-coverage 6.3.0 -> satisfiable by friends-of-phpspec/phpspec-code-coverage[v6.3.0].