Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires phpunit/phpunit ^9.6.13 -> satisfiable by phpunit/phpunit[9.6.13, 9.6.x-dev]. - phpunit/phpunit[9.6.13, ..., 9.6.x-dev] require php >=7.3 -> your php version (7.2.34) does not satisfy that requirement. Problem 2 - phpunit/phpunit[9.6.13, ..., 9.6.x-dev] require php >=7.3 -> your php version (7.2.34) does not satisfy that requirement. - yoast/phpunit-polyfills[1.1.0, ..., 1.x-dev] require phpunit/phpunit ^4.8.36 || ^5.7.21 || ^6.0 || ^7.0 || ^8.0 || ^9.0 -> satisfiable by phpunit/phpunit[9.6.13, 9.6.x-dev]. - Root composer.json requires yoast/phpunit-polyfills ^1.1 -> satisfiable by yoast/phpunit-polyfills[1.1.0, 1.x-dev].

Process completed with exit code 2.

Process completed with exit code 255.

Process completed with exit code 255.

Process completed with exit code 255.

Process completed with exit code 1.

The job was canceled because "_16_x_latest" failed.

The operation was canceled.

The job was canceled because "_16_x_latest" failed.

Process completed with exit code 1.

The job was canceled because "_16_x_latest" failed.

The operation was canceled.

The job was canceled because "_16_x_latest" failed.

The operation was canceled.

The job was canceled because "_16_x_latest" failed.