Your lock file does not contain a compatible set of packages. Please run composer update.
Problem 1
- doctrine/instantiator is locked to version 2.0.0 and an update of this package was not requested.
- doctrine/instantiator 2.0.0 requires php ^8.1 -> your php version (5.6.40) does not satisfy that requirement.
Problem 2
- myclabs/deep-copy is locked to version 1.12.0 and an update of this package was not requested.
- myclabs/deep-copy 1.12.0 requires php ^7.1 || ^8.0 -> your php version (5.6.40) does not satisfy that requirement.
Problem 3
- nikic/php-parser is locked to version v5.1.0 and an update of this package was not requested.
- nikic/php-parser v5.1.0 requires php >=7.4 -> your php version (5.6.40) does not satisfy that requirement.
Problem 4
- phar-io/manifest is locked to version 2.0.4 and an update of this package was not requested.
- phar-io/manifest 2.0.4 requires php ^7.2 || ^8.0 -> your php version (5.6.40) does not satisfy that requirement.
Problem 5
- phar-io/version is locked to version 3.2.1 and an update of this package was not requested.
- phar-io/version 3.2.1 requires php ^7.2 || ^8.0 -> your php version (5.6.40) does not satisfy that requirement.
Problem 6
- phpunit/php-code-coverage is locked to version 9.2.32 and an update of this package was not requested.
- phpunit/php-code-coverage 9.2.32 requires php >=7.3 -> your php version (5.6.40) does not satisfy that requirement.
Problem 7
- phpunit/php-file-iterator is locked to version 3.0.6 and an update of this package was not requested.
- phpunit/php-file-iterator 3.0.6 requires php >=7.3 -> your php version (5.6.40) does not satisfy that requirement.
Problem 8
- phpunit/php-invoker is locked to version 3.1.1 and an update of this package was not requested.
- phpunit/php-invoker 3.1.1 requires php >=7.3 -> your php version (5.6.40) does not satisfy that requirement.
Problem 9
- phpunit/php-text-template is locked to version 2.0.4 and an update of this package was not requested.
- phpunit/php-text-template 2.0.4 requires php >=7.3 -> your php version (5.6.40) does not satisfy that requirement.
Problem 10
- phpunit/php-timer is locked to version 5.0.3 and an update of this package was not requested.
- phpunit/php-timer 5.0.3 requires php >=7.3 -> your php version (5.6.40) does not satisfy that requirement.
Problem 11
- phpunit/phpunit is locked to version 9.6.20 and an update of this package was not requested.
- phpunit/phpunit 9.6.20 requires php >=7.3 -> your php version (5.6.40) does not satisfy that requirement.
Problem 12
- sebastian/cli-parser is locked to version 1.0.2 and an update of this package was not requested.
- sebastian/cli-parser 1.0.2 requires php >=7.3 -> your php version (5.6.40) does not satisfy that requirement.
Problem 13
- sebastian/code-unit is locked to version 1.0.8 and an update of this package was not requested.
- sebastian/code-unit 1.0.8 requires php >=7.3 -> your php version (5.6.40) does not satisfy that requirement.
Problem 14
- sebastian/code-unit-reverse-lookup is locked to version 2.0.3 and an update of this package was not requested.
- sebastian/code-unit-reverse-lookup 2.0.3 requires php >=7.3 -> your php version (5.6.40) does not satisfy that requirement.
Problem 15
- sebastian/comparator is locked to version 4.0.8 and an update of this package was not requested.
- sebastian/comparator 4.0.8 requires php >=7.3 -> your php version (5.6.40) does not satisfy that requirement.
Problem 16
- sebastian/complexity is locked to version 2.0.3 and an update of this package was not requested.
- sebastian/complexity 2.0.3 requires php >=7.3 -> your php version (5.6.40) does not satisfy that requirement.
Problem 17
- sebastian/diff is locked to version 4.0.6 and an update of this package was not requested.
- sebastian/diff 4.0.6 requires php >=7.3 -> your php version (5.6.40) does not satisfy that requirement.
Problem 18
- sebastian/environment is lo