Your requirements could not be resolved to an installable set of packages. Problem 1 - phpspec/prophecy[v1.6.0, ..., v1.10.3] require php ^5.3|^7.0 -> your php version (8.3.0) does not satisfy that requirement. - phpspec/prophecy 1.11.1 requires php ^7.2 -> your php version (8.3.0) does not satisfy that requirement. - phpspec/prophecy[1.12.0, ..., 1.13.0] require php ^7.2 || ~8.0, <8.1 -> your php version (8.3.0) does not satisfy that requirement. - phpspec/prophecy[1.14.0, ..., v1.15.0] require php ^7.2 || ~8.0, <8.2 -> your php version (8.3.0) does not satisfy that requirement. - phpspec/prophecy[v1.16.0, ..., v1.17.0] require php ^7.2 || 8.0.* || 8.1.* || 8.2.* -> your php version (8.3.0) does not satisfy that requirement. - Root composer.json requires phpspec/prophecy ^1.6 -> satisfiable by phpspec/prophecy[v1.6.0, ..., v1.17.0].

Process completed with exit code 2.

Your requirements could not be resolved to an installable set of packages. Problem 1 - phpspec/prophecy[v1.6.0, ..., v1.10.3] require php ^5.3|^7.0 -> your php version (8.3.0) does not satisfy that requirement. - phpspec/prophecy 1.11.1 requires php ^7.2 -> your php version (8.3.0) does not satisfy that requirement. - phpspec/prophecy[1.12.0, ..., 1.13.0] require php ^7.2 || ~8.0, <8.1 -> your php version (8.3.0) does not satisfy that requirement. - phpspec/prophecy[1.14.0, ..., v1.15.0] require php ^7.2 || ~8.0, <8.2 -> your php version (8.3.0) does not satisfy that requirement. - phpspec/prophecy[v1.16.0, ..., v1.17.0] require php ^7.2 || 8.0.* || 8.1.* || 8.2.* -> your php version (8.3.0) does not satisfy that requirement. - Root composer.json requires phpspec/prophecy ^1.6 -> satisfiable by phpspec/prophecy[v1.6.0, ..., v1.17.0].

Process completed with exit code 2.

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/