Cover all error cases for audit log deserialization (#742)
Cover all error cases for audit log deserialization (#742)

* Cover all error cases for audit log deserialization

* Update src/model/guild/audit_log.rs

Co-Authored-By: Alex M. M. <399078f3f6fcd70d389e86cf42e4a4e355bd564c@gmail.com>

acdenisSK/serenity,Flat/serenity