Updated to fix php-coverall path

Author: thilanga

docker/entrypoint.sh

@@ -4,4 +4,4 @@ sleep 3 &&
 composer install --prefer-source --no-interaction &&
 php ./vendor/bin/phpunit &&
 php ./vendor/bin/phpunit --coverage-clover build/logs/clover.xml &&
-php ./vendor/bin/coveralls -v
+php ./vendor/bin/php-coverall -v