Fixed Windows composer Paths

packages/env/lib/init-config.js

@@ -244,7 +244,7 @@ RUN rm /tmp/composer-setup.php`;
 	// Make sure to do this as the user and ensure the binaries are available in the $PATH.
 	dockerFileContent += `
 USER $HOST_UID:$HOST_GID
-ENV PATH="\${PATH}:/home/$HOST_USERNAME/.composer/vendor/bin"
+ENV PATH="\${PATH}:~/.composer/vendor/bin"
 RUN composer global require --dev yoast/phpunit-polyfills:"^1.0"
 USER root`;