bump rubocop from 0.78.0 to 0.79.0 (via #69)

Author: dependabot-preview[bot]

Gemfile.lock

@@ -97,10 +97,10 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.9.0)
     rspec-support (3.9.0)
-    rubocop (0.78.0)
+    rubocop (0.79.0)
       jaro_winkler (~> 1.5.1)
       parallel (~> 1.10)
-      parser (>= 2.6)
+      parser (>= 2.7.0.1)
       rainbow (>= 2.2.2, < 4.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 1.7)