Fix a build error

This commit fixes the following build error
due to 532b681.

```console
% bundle exec rake
(snip)

Failures:

  1) RuboCop Project changelog has newline at end of file
     Failure/Error: expect(changelog.end_with?("\n")).to be true

       expected true
            got false
     # ./spec/project_spec.rb:115:in `block (3 levels) in
            <top (required)>'
     # tasks/spec_runner.rake:67:in `run_worker'
     # tasks/spec_runner.rake:27:in `block in run_specs'
     # tasks/spec_runner.rake:41:in `with_encoding'
     # tasks/spec_runner.rake:25:in `run_specs'
     # tasks/spec_runner.rake:112:in `block in <top (required)>'

  2) RuboCop Project changelog entry contributor name has a unique
  contributor name
     Failure/Error: expect(contributor_names.uniq.size).to eq
  contributor_names.size

       expected: 467
            got: 466

       (compared using ==)
     # ./spec/project_spec.rb:184:in `block (5 levels) in
     <top (required)>'
     # tasks/spec_runner.rake:67:in `run_worker'
     # tasks/spec_runner.rake:27:in `block in run_specs'
     # tasks/spec_runner.rake:41:in `with_encoding'
     # tasks/spec_runner.rake:25:in `run_specs'
     # tasks/spec_runner.rake:112:in `block in <top (required)>'

1 deprecation logged to /tmp/test_queue_worker_78005_output
```

https://circleci.com/gh/rubocop-hq/rubocop/95135

CHANGELOG.md

@@ -4442,7 +4442,6 @@
 [@mangara]: https://github.com/mangara
 [@pirj]: https://github.com/pirj
 [@pawptart]: https://github.com/pawptart
-[@hanachin]: https://github.com/hanachin
 [@cetinajero]: https://github.com/cetinajero
 [@gfyoung]: https://github.com/gfyoung
 [@Tietew]: https://github.com/Tietew
@@ -4457,4 +4456,4 @@
 [@rafaelfranca]: https://github.com/rafaelfranca
 [@knu]: https://github.com/knu
 [@saurabhmaurya15]: https://github.com/saurabhmaurya15
-[@DracoAter]: https://github.com/DracoAter
+[@DracoAter]: https://github.com/DracoAter