Update phpunit.dist.xml SYMFONY_PHPUNIT_VERSION to 10

Author: alexander-schranz

phpunit/phpunit/10.0/phpunit.dist.xml

@@ -14,7 +14,7 @@
         <server name="APP_ENV" value="test" force="true" />
         <server name="SHELL_VERBOSITY" value="-1" />
         <server name="SYMFONY_PHPUNIT_REMOVE" value="" />
-        <server name="SYMFONY_PHPUNIT_VERSION" value="9.5" />
+        <server name="SYMFONY_PHPUNIT_VERSION" value="10" />
     </php>
 
     <testsuites>