fix: support asserts with messages in Rspec/BeEmpty

Author: G-Rath

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 ## Master (Unreleased)
 
+- Support asserts with messages in `Rspec/BeEmpty`. ([@G-Rath])
 - Add support for `assert_empty`, `assert_not_empty` and `refute_empty` to `RSpec/Rails/MinitestAssertions`. ([@ydah])
 - Support correcting `*_instance_of` assertions in `RSpec/Rails/MinitestAssertions`. ([@G-Rath])
 - Support correcting `*_includes` assertions in `RSpec/Rails/MinitestAssertions`. ([@G-Rath])