feat: Add overridesBuiltInTool to Tool type (tracks copilot-sdk#636)#19

kawax merged 2 commits intomaininvokable/laravel-copilot-sdk:mainfrom

copilot/update-types-tool-overridesinvokable/laravel-copilot-sdk:copilot/update-types-tool-overridesCopy head branch name to clipboard