Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires squizlabs/php_codesniffer dev-master, found squizlabs/php_codesniffer[dev-feature/dont-ignore-internal-errors, dev-TEST/ghactions-revert-code-coverage-php-version, dev-feature/variable-sniffs-minor-performance-tweak, dev-feature/generators-dont-print-title-if-no-docs, dev-feature/add-security-file, dev-feature/3.x-metrics-for-switch-statements, dev-feature/773-safeguard-against-duplicate-test-markers, dev-feature/3769-improve-todo-fixme-sniffs, dev-feature/psr12-fileheader-more-modular-errorcode-spacing-after, dev-feature/pear-psr2-psr12-functioncallsignature-check-anon-classes, dev-4.x/feature/ci-prevent-issues-with-code-coverage, dev-phpcs-4.x/gitattributes-dont-ignore-test-framework-files, dev-phpcs-4.x/remove-external-tooling-sniffs, dev-phpcs-4.x/file-isreference-simplify, dev-phpcs-4.x/tokenizer-php-minor-tweak, dev-phpcs-4.x/3115-let-static-be-static, 1.4.2, ..., 1.5.x-dev, 2.0.0a1, ..., 2.9.x-dev, 3.0.0a1, ..., 3.11.2, 4.0.x-dev] but it does not match the constraint. Problem 2 - Root composer.json requires phpcsstandards/phpcsutils ^1.0.5 -> satisfiable by phpcsstandards/phpcsutils[1.0.5, ..., 1.0.12]. - phpcsstandards/phpcsutils[1.0.10, ..., 1.0.11] require squizlabs/php_codesniffer ^3.9.0 || 4.0.x-dev@dev -> found squizlabs/php_codesniffer[3.9.0, ..., 3.11.2, 4.0.x-dev] but it conflicts with your root composer.json require (dev-master). - phpcsstandards/phpcsutils 1.0.12 requires squizlabs/php_codesniffer ^3.10.0 || 4.0.x-dev@dev -> found squizlabs/php_codesniffer[3.10.0, ..., 3.11.2, 4.0.x-dev] but it conflicts with your root composer.json require (dev-master). - phpcsstandards/phpcsutils[1.0.5, ..., 1.0.8] require squizlabs/php_codesniffer ^3.7.1 || 4.0.x-dev@dev -> found squizlabs/php_codesniffer[3.7.1, ..., 3.11.2, 4.0.x-dev] but it conflicts with your root composer.json require (dev-master). - phpcsstandards/phpcsutils 1.0.9 requires squizlabs/php_codesniffer ^3.8.0 || 4.0.x-dev@dev -> found squizlabs/php_codesniffer[3.8.0, ..., 3.11.2, 4.0.x-dev] but it conflicts with your root composer.json require (dev-master).

Process completed with exit code 2.