Allow composer normalize plugin to run

Author: schlessera

.github/workflows/build-test-measure.yml

@@ -202,6 +202,7 @@ jobs:
       - name: Normalize composer.json
         run: |
           composer require --no-interaction --dev ergebnis/composer-normalize --ignore-platform-reqs
+          composer config --no-interaction --no-plugins allow-plugins.ergebnis/composer-normalize true
           composer --no-interaction normalize --dry-run
 
 #-----------------------------------------------------------------------------------------------------------------------