Incorrect syntax for Magento2::setMagentoThemes

[johnorourke]

(comment edit only)

The syntax shown in src/ApplicationTemplate/Magento2.php for setMagentoThemes does not match the deployer 7.x or 8.x docs at https://deployer.org/docs/7.x/recipe/magento2#magento_themes

PR incoming

[poespas]

PR has been merged and will be included in the most recent release.