ci: change composer install command in tests.yaml

Author: utrodus

.github/workflows/tests.yaml

@@ -28,7 +28,7 @@ jobs:
             ${{ runner.os }}-composer-
 
       - name: Install Composer dependencies
-        run: composer install --prefer-dist --no-dev --optimize-autoloader
+        run: composer install --prefer-dist --no-progress --no-suggest
 
       - name: Run test suite
         run: composer run-script test