Your lock file does not contain a compatible set of packages. Please run composer update.
Problem 1
- symfony/yaml is locked to version v7.1.6 and an update of this package was not requested.
- symfony/yaml v7.1.6 requires php >=8.2 -> your php version (8.1.32) does not satisfy that requirement.
Problem 2
- webuni/front-matter is locked to version 2.0.0 and an update of this package was not requested.
- symfony/yaml v7.1.6 requires php >=8.2 -> your php version (8.1.32) does not satisfy that requirement.
- webuni/front-matter 2.0.0 requires symfony/yaml ^3.4.31 || ^4.3.4 || ^5.0 || ^6.0 || ^7.0 -> satisfiable by symfony/yaml[v7.1.6].