docs: use v2 in README action example#50

MekDrop merged 1 commit intomainimpresscms-dev/generate-phpdocs-with-evert-phpdoc-md-action:mainfrom

docs/readme-use-v2impresscms-dev/generate-phpdocs-with-evert-phpdoc-md-action:docs/readme-use-v2Copy head branch name to clipboard