Revert "Allow the phar to be used with PHPUnit 11"

This reverts commit 04d73fb.

Author: jakzal

manifest.xml.in

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8" ?>
 <phar xmlns="https://phar.io/xml/manifest/1.0">
     <contains name="zalas/phpunit-globals" version="@@version@@" type="extension">
-        <extension for="phpunit/phpunit" compatible="^10.0||^^11.0"/>
+        <extension for="phpunit/phpunit" compatible="^10.0"/>
     </contains>
 
     <copyright>