Try create empty phpstan.neon file to fix GitHub Action

Author: jissereitsma

.github/workflows/static-tests.yml

@@ -26,5 +26,6 @@ jobs:
         run: |
           export COMPOSER_NAME=`cat .module.ini | grep COMPOSER_NAME | cut -f2 -d= | tr -d '"'`
           export LEVEL=`echo '<?= json_decode(file_get_contents("MODULE.json"), true)["phpstan_level"];' | php`
+          test -f /tmp/magento/phpstan.neon || echo 'parameters:' > /tmp/magento/phpstan.neon
           php -d memory_limit=4G /tmp/magento/vendor/bin/phpstan analyse --level $LEVEL ${GITHUB_WORKSPACE}