🏅 close 2730 improve clearErrors with exact option (#2765)
clearErrors('test.firstName')
clearErrors('test.lastName')
clearErrors('test', { exact: false }) // remove the entire `test` errors object
👨🏻💻 setError second argument as optional (#2766)
👨🏻💻 fix formState as dep (#2768)
🐞 fix #2758 improve re-render with multiple trigger (#2763)
🐞 fix #2754 group checkbox with defaultValues (#2761)
🐞 fix #2757 setValue bug with shouldUnregister (#2760)