Remove composer normalize from dependencies

Author: sagikazarmark

.github/workflows/checks.yml

@@ -20,6 +20,11 @@ jobs:
         with:
           args: install
 
+      - name: Require normalize
+        uses: docker://composer
+        with:
+          args: require --dev ergebnis/composer-normalize
+
       - name: Normalize
         uses: docker://composer
         with:

composer.json

@@ -25,7 +25,6 @@
         "psr/http-message": "^1.0"
     },
     "require-dev": {
-        "ergebnis/composer-normalize": "^2.1",
         "friends-of-phpspec/phpspec-code-coverage": "^4.1",
         "phpspec/phpspec": "^4.3.4 || ^5.0 || ^6.0"
     },