fixup! Add Composer config for monorepo

Author: andreaswolf

.github/workflows/lint_test_pull_requests.yaml

@@ -32,11 +32,8 @@ jobs:
           - directory: ''
             composer-command: {name: 'Rector', command: 'rector --dry-run'}
 
-    name: ${{ matrix.composer-command.name }}/${{ matrix.directory }}
+    name: ${{ matrix.composer-command.name }}/${{ matrix.directory || '(root)' }}
 
-    defaults:
-      run:
-        working-directory: ${{ matrix.directory }}
     steps:
       - uses: actions/checkout@v4
         with: