Use phpunit 13 where possible

Author: core23

.gitignore

@@ -6,6 +6,5 @@ phpunit.xml
 /.phpunit.cache/
 /build/
 /vendor/
-!/vendor-bin/tools/composer.lock
 /vendor-bin/tools/vendor/
 /vendor-bin/tools/bin/

vendor-bin/tools/composer.json

@@ -12,7 +12,7 @@
         "phpstan/phpstan-phpunit": "^2.0.0",
         "phpstan/phpstan-strict-rules": "^2.0.0",
         "phpstan/phpstan-symfony": "^2.0.0",
-        "phpunit/phpunit": "^12.0.0",
+        "phpunit/phpunit": "^12.0.0 || ^13.0.0",
         "symfony/phpunit-bridge": "^8.0"
     },
     "config": {