Revert "bypass version constraint"

This reverts commit b40921b.

Author: shokme

.github/workflows/tests.yml

@@ -32,6 +32,4 @@ jobs:
     - name: Install dependencies
       run: composer install --prefer-dist --no-progress --no-suggest
     - name: Run linter
-      env:
-        PHP_CS_FIXER_IGNORE_ENV: 1
       run: composer lint