Bump actions/upload-artifact from 3 to 4#21

rboonzaijer merged 1 commit intomainrboonzaijer/php-array-to-xml:mainfrom

550adependabot/github_actions/actions/upload-artifact-4rboonzaijer/php-array-to-xml:550adependabot/github_actions/actions/upload-artifact-4Copy head branch name to clipboard