Test fix PHP 8

Author: JulianPrieber

.github/workflows/release.yml

@@ -21,15 +21,15 @@ jobs:
             echo "GitHub API key found."
           fi
 
+      - name: Setup PHP 8.0
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: '8.0'
+          tools: composer
+          coverage: none
+
       - name: Updating Dependencies + zip
         run: |
-          cd ~
-          curl -sS https://getcomposer.org/installer -o /tmp/composer-setup.php
-          HASH=`curl -sS https://composer.github.io/installer.sig`
-          sudo php /tmp/composer-setup.php --install-dir=/usr/local/bin --filename=composer
-
-          sudo update-alternatives --set php /usr/bin/php8.0
-
           cd /tmp
           mkdir linkstack
           cd linkstack