message: Update README.md
  Add wp-cli to the list of supported tools.
diff: @@ -196,7 +196,7 @@ PHP extensions can be setup using the `extensions` input. It accepts a `string`
  These tools can be setup globally using the `tools` input. It accepts a string in csv-format.
  -`behat`, `blackfire`, `blackfire-player`, `codeception`, `composer`, `composer-normalize`, `composer-prefetcher`, `composer-require-checker`, `composer-unused`, `cs2pr`, `deployer`, `flex`, `grpc_php_plugin`, `infection`, `pecl`, `phan`, `phing`, `phinx`, `phive`, `phpcbf`, `phpcpd`, `php-config`, `php-cs-fixer`, `phpcs`, `phpize`, `phpmd`, `phpspec`, `phpstan`, `phpunit`, `prestissimo`, `protoc`, `psalm`, `symfony`, `vapor-cli`
  +`behat`, `blackfire`, `blackfire-player`, `codeception`, `composer`, `composer-normalize`, `composer-prefetcher`, `composer-require-checker`, `composer-unused`, `cs2pr`, `deployer`, `flex`, `grpc_php_plugin`, `infection`, `pecl`, `phan`, `phing`, `phinx`, `phive`, `php-config`, `php-cs-fixer`, `phpcbf`, `phpcpd`, `phpcs`, `phpize`, `phplint`, `phpmd`, `phpspec`, `phpstan`, `phpunit`, `prestissimo`, `protoc`, `psalm`, `symfony`, `symfony-cli`, `vapor-cli`, `wp-cli`
  ```yaml
  - name: Setup PHP with tools
  