Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires symfony/http-client ^6.4 -> satisfiable by symfony/http-client[v6.4.0, v6.4.2, v6.4.3, v6.4.4]. - symfony/http-client[v6.4.0, ..., v6.4.4] require php >=8.1 -> your php version (8.0.30) does not satisfy that requirement. Problem 2 - symfony/http-client[v6.4.0, ..., v6.4.4] require php >=8.1 -> your php version (8.0.30) does not satisfy that requirement. - rpkamp/mailhog-client 2.0.0 requires php-http/client-implementation ^1.0 -> satisfiable by symfony/http-client[v6.4.0]. - Root composer.json requires rpkamp/mailhog-client ^2.0 -> satisfiable by rpkamp/mailhog-client[2.0.0].

Process completed with exit code 2.

Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/checkout@v2. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.