fix(macro): allow multiple refs with `self_`#507

Xenira merged 1 commit intomasterextphprs/ext-php-rs:masterfrom

506-missing-lifetime-specifier-when-taking-self_-and-zval-and-returning-self_extphprs/ext-php-rs:506-missing-lifetime-specifier-when-taking-self_-and-zval-and-returning-self_Copy head branch name to clipboard