Ignore phpstan error

phpstan/config.neon

@@ -17,6 +17,9 @@ parameters:
         # variable defined in eval
         - '~^Undefined variable: \$res$~'
 
+        # erroneous detection of missing const, see https://github.com/phpstan/phpstan/issues/2960
+        - '~^Access to undefined constant ZipArchive::LIBZIP_VERSION.$~'
+
         # we don't have different constructors for parent/child
         - '~^Unsafe usage of new static\(\)\.$~'