Switch composer default version to 2 (because of PHP 7.4)

Author: jissereitsma

magento-phpstan/action.yml

@@ -15,7 +15,7 @@ inputs:
   composer_version:
     description: 'The composer version to use. Can be either 1 or 2.'
     required: false
-    default: "1"
+    default: "2"
 runs:
   using: 'docker'
   image: 'docker://extdn/magento-phpstan-action:latest'

magento-phpstan/entrypoint.sh

@@ -13,7 +13,7 @@ MAGENTO_ROOT=/m2
 test -z "${COMPOSER_NAME}" && (echo "'composer_name' is not set in your GitHub Actions YAML file" && exit 1)
 
 echo "Using composer ${COMPOSER_VERSION}"
-ln -s /usr/local/bin/composer$COMPOSER_VERSION /usr/local/bin/composer
+ln -s /usr/local/bin/composer$COMPOSER_VERSION /usr/local/bin/composer
 
 echo "Setup extension source folder within Magento root"
 cd $MAGENTO_ROOT