Your lock file does not contain a compatible set of packages. Please run composer update.
Problem 1
- sebastian/diff is locked to version 9.0.0 and an update of this package was not requested.
- sebastian/diff 9.0.0 requires php >=8.4 -> your php version (8.3.31) does not satisfy that requirement.
Problem 2
- symfony/console is locked to version v8.1.1 and an update of this package was not requested.
- symfony/console v8.1.1 requires php >=8.4.1 -> your php version (8.3.31) does not satisfy that requirement.
Problem 3
- symfony/filesystem is locked to version v8.1.0 and an update of this package was not requested.
- symfony/filesystem v8.1.0 requires php >=8.4.1 -> your php version (8.3.31) does not satisfy that requirement.
Problem 4
- symfony/finder is locked to version v8.1.1 and an update of this package was not requested.
- symfony/finder v8.1.1 requires php >=8.4.1 -> your php version (8.3.31) does not satisfy that requirement.
Problem 5
- symfony/process is locked to version v8.1.0 and an update of this package was not requested.
- symfony/process v8.1.0 requires php >=8.4.1 -> your php version (8.3.31) does not satisfy that requirement.
Problem 6
- symfony/string is locked to version v8.1.0 and an update of this package was not requested.
- symfony/string v8.1.0 requires php >=8.4.1 -> your php version (8.3.31) does not satisfy that requirement.
Problem 7
- infection/infection is locked to version 0.34.0 and an update of this package was not requested.
- infection/infection 0.34.0 requires sebastian/diff ^4.0 || ^5.0 || ^6.0 || ^7.0 || ^8.0 || ^9.0 -> satisfiable by sebastian/diff[9.0.0].
- sebastian/diff 9.0.0 requires php >=8.4 -> your php version (8.3.31) does not satisfy that requirement.