Fix release

.github/workflows/release.yml

@@ -41,6 +41,12 @@ jobs:
           content="${content//$'\r'/'%0D'}"
           echo "::set-output name=message::$content"
 
+      - name: "Install dependencies"
+        run: |
+          composer config platform.php 7.1.3
+          composer update --no-dev --no-interaction --no-progress --prefer-dist
+          composer config --unset platform.php
+
       - name: "Download Box"
         run: |
           curl -sL https://github.com/box-project/box/releases/download/3.9.1/box.phar -o box.phar
@@ -84,4 +90,4 @@ jobs:
           upload_url: ${{ steps.create_release.outputs.upload_url }}
           asset_path: ./churn.phar.asc
           asset_name: churn.phar.asc
-          asset_content_type: application/octet-stream
+          asset_content_type: application/octet-stream