Bump rubocop from 1.43.0 to 1.44.0

Bumps [rubocop](https://github.com/rubocop/rubocop) from 1.43.0 to 1.44.0.
- [Release notes](https://github.com/rubocop/rubocop/releases)
- [Changelog](https://github.com/rubocop/rubocop/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop@v1.43.0...v1.44.0)

---
updated-dependencies:
- dependency-name: rubocop
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Gemfile.lock

@@ -282,7 +282,7 @@ GEM
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    regexp_parser (2.6.1)
+    regexp_parser (2.6.2)
     rexml (3.2.5)
     rsolr (2.5.0)
       builder (>= 2.1.2)
@@ -300,7 +300,7 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.12.0)
     rspec-support (3.12.0)
-    rubocop (1.43.0)
+    rubocop (1.44.0)
       json (~> 2.3)
       parallel (~> 1.10)
       parser (>= 3.2.0.0)