Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires nette/http ^3.3.1 -> satisfiable by nette/http[v3.3.1]. - nette/http v3.3.1 requires php 8.1 - 8.4 -> your php version (7.3.33) does not satisfy that requirement. Problem 2 - Root composer.json requires nette/application ^3.2 -> satisfiable by nette/application[v3.2.0, ..., v3.2.6]. - nette/application[v3.2.0, ..., v3.2.5] require php 8.1 - 8.3 -> your php version (7.3.33) does not satisfy that requirement. - nette/application v3.2.6 requires php 8.1 - 8.4 -> your php version (7.3.33) does not satisfy that requirement.

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/