Revert "Add maglnet/composer-require-checker dev dependency"

This reverts commit 27c5cc8.

Author: hlecorche

.github/workflows/tests.yml

@@ -139,7 +139,9 @@ jobs:
 
             -   name: Analyze composer dependencies
                 if: matrix.coding-standards
-                run: php vendor/bin/composer-require-checker check composer.json
+                run: |
+                    curl -LSs https://github.com/maglnet/ComposerRequireChecker/releases/latest/download/composer-require-checker.phar > composer-require-checker.phar
+                    php composer-require-checker.phar check composer.json
 
             -   name: Check license year
                 if: matrix.coding-standards

composer.json

@@ -22,7 +22,6 @@
     },
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^3.0",
-        "maglnet/composer-require-checker": "*",
         "phpstan/phpstan": "^2.1",
         "phpunit/phpunit": "^9.0"
     },