Bump rubocop from 1.47.0 to 1.48.0

Bumps [rubocop](https://github.com/rubocop/rubocop) from 1.47.0 to 1.48.0.
- [Release notes](https://github.com/rubocop/rubocop/releases)
- [Changelog](https://github.com/rubocop/rubocop/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop@v1.47.0...v1.48.0)

---
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

@@ -107,7 +107,7 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.12.0)
     rspec-support (3.12.0)
-    rubocop (1.47.0)
+    rubocop (1.48.0)
       json (~> 2.3)
       parallel (~> 1.10)
       parser (>= 3.2.0.0)
@@ -124,7 +124,7 @@ GEM
     rubocop-rspec (2.18.1)
       rubocop (~> 1.33)
       rubocop-capybara (~> 2.17)
-    ruby-progressbar (1.12.0)
+    ruby-progressbar (1.13.0)
     ruby2_keywords (0.0.5)
     shellany (0.0.1)
     simplecov (0.22.0)