snuffleupagus: enable global_strict

rootfs/usr/local/etc/php/snuffleupagus/nextcloud-php8.rules

@@ -15,7 +15,7 @@ sp.disable_xxe.enable();
 
 # Globally activate strict mode
 # https://www.php.net/manual/en/language.types.declarations.php#language.types.declarations.strict
-# sp.global_strict.enable();
+sp.global_strict.enable();
 
 # Prevent unserialize-related exploits
 # sp.unserialize_hmac.enable();