Delete previous installed files

Author: Bellangelo

.github/workflows/quality-checks.yml

@@ -46,7 +46,7 @@ jobs:
           tools: composer:v2
           coverage: none
 
-      - run: composer require php "^7.4 || ^8.0"
+      - run: composer require php "^7.4 || ^8.0" && rm -rf vendor composer.lock
 
       - name: Install dependencies
         run: composer install --no-interaction --no-progress --prefer-dist