Bump rubocop from 1.31.0 to 1.31.1 (#400)

Bumps [rubocop](https://github.com/rubocop/rubocop) from 1.31.0 to 1.31.1.
- [Release notes](https://github.com/rubocop/rubocop/releases)
- [Changelog](https://github.com/rubocop/rubocop/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop@v1.31.0...v1.31.1)

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

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: xmas7

Gemfile

@@ -18,7 +18,7 @@ end
 group :test do
   gem "climate_control", "~> 1.1.1"
   gem "rspec", "~> 3.11.0"
-  gem "rubocop", "~> 1.31.0"
+  gem "rubocop", "~> 1.31.1"
   gem "rubocop-performance", "~> 1.14.2"
   gem "simplecov", "~> 0.21.2"
   gem "simplecov-console", "~> 0.9.1"

Gemfile.lock

@@ -63,6 +63,7 @@ GEM
     git (1.11.0)
       rchardet (~> 1.8)
     jaro_winkler (1.5.4)
+    json (2.6.2)
     kramdown (2.4.0)
       rexml
     kramdown-parser-gfm (1.1.0)
@@ -107,7 +108,8 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.11.0)
     rspec-support (3.11.0)
-    rubocop (1.31.0)
+    rubocop (1.31.1)
+      json (~> 2.3)
       parallel (~> 1.10)
       parser (>= 3.1.0.0)
       rainbow (>= 2.2.2, < 4.0)
@@ -175,7 +177,7 @@ DEPENDENCIES
   pry (~> 0.14.1)
   rake (~> 13.0.6)
   rspec (~> 3.11.0)
-  rubocop (~> 1.31.0)
+  rubocop (~> 1.31.1)
   rubocop-performance (~> 1.14.2)
   semver2 (~> 3.4)
   simplecov (~> 0.21.2)