Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires nette/http ^3.3.2, found nette/http[v3.3.x-dev] but it does not match your minimum-stability. Problem 2 - Root composer.json requires webnazakazku/mango-tester-http-mocks ^0.4 -> satisfiable by webnazakazku/mango-tester-http-mocks[v0.4, v0.4.1]. - webnazakazku/mango-tester-http-mocks[v0.4, ..., v0.4.1] require nette/http ~3.0 -> found nette/http[v3.0.0, ..., v3.3.1] but it conflicts with your root composer.json require (^3.3.2). Problem 3 - Root composer.json requires nette/application ^3.2 -> satisfiable by nette/application[v3.2.0, ..., v3.2.6]. - nette/application[v3.2.0, ..., v3.2.6] require nette/http ^3.3 -> found nette/http[v3.3.0, v3.3.1] but it conflicts with your root composer.json require (^3.3.2).

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/