uri: Fix leak of parsed URI when assigning soft errors by reference fails

This is not reproducible, because the URI object will still be referenced by
Lexbor’s mraw instance and then cleanly destroyed at the end of the request.

Author: TimWolla

ext/uri/php_uri.c

@@ -359,6 +359,7 @@ ZEND_ATTRIBUTE_NONNULL_ARGS(1, 2) PHPAPI void php_uri_instantiate_uri(
 	}
 
 	if (pass_errors_by_ref_and_free(errors_zv, &errors) == FAILURE) {
+		uri_parser->free_uri(uri);
 		RETURN_THROWS();
 	}