Your requirements could not be resolved to an installable set of packages.
Problem 1
- Root composer.json requires symfony/dependency-injection ^7.1.2 -> satisfiable by symfony/dependency-injection[v7.1.2].
- symfony/dependency-injection v7.1.2 requires php >=8.2 -> your php version (8.0.99; overridden via config.platform, actual: 8.3.9) does not satisfy that requirement.
Problem 2
- symfony/dependency-injection v7.1.2 requires php >=8.2 -> your php version (8.0.99; overridden via config.platform, actual: 8.3.9) does not satisfy that requirement.
- behat/behat v3.14.0 requires symfony/dependency-injection ^4.4 || ^5.0 || ^6.0 || ^7.0 -> satisfiable by symfony/dependency-injection[v7.1.2].
- Root composer.json requires behat/behat ^3.14.0 -> satisfiable by behat/behat[v3.14.0].
Use the option --with-all-dependencies (-W) to allow upgrades, downgrades and removals for packages currently locked to specific versions.