Merge pull request #18 from Un1matr1x/issues/6

[issues/6] fix copy&paste error

Author: Greg Bowler

README.md

@@ -45,7 +45,7 @@ Inputs
 
 The following configuration options are available:
 
-+ `version` The version of PHPUnit to use e.g. `9` or `9.5.0` (default: latest)
++ `version` The version of PHPStan to use e.g. `9` or `9.5.0` (default: latest)
 + `php_version` The version of PHP to use e.g. `7.4` (default: latest)
 + `php_extensions` Space-separated list of extensions using [php-build][php-build] e.g. `xdebug mbstring` (default: N/A)
 + `command` The command to run e.g. `list` or `worker` (default: analyse)