Bump rubocop from 1.38.0 to 1.51.0

Gemfile.lock

@@ -1,3 +1,4 @@
+# Comment commit to prevent Dependabot from re-creating PR 
 PATH
   remote: .
   specs:
@@ -23,15 +24,15 @@ GEM
     diff-lcs (1.5.0)
     i18n (1.12.0)
       concurrent-ruby (~> 1.0)
-    json (2.6.2)
+    json (2.6.3)
     minitest (5.16.3)
-    parallel (1.22.1)
-    parser (3.1.2.1)
+    parallel (1.23.0)
+    parser (3.2.2.1)
       ast (~> 2.4.1)
     rack (3.0.0)
     rainbow (3.1.1)
     rake (13.0.6)
-    regexp_parser (2.6.0)
+    regexp_parser (2.8.0)
     rexml (3.2.5)
     rspec (3.12.0)
       rspec-core (~> 3.12.0)
@@ -46,18 +47,18 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.12.0)
     rspec-support (3.12.0)
-    rubocop (1.38.0)
+    rubocop (1.51.0)
       json (~> 2.3)
       parallel (~> 1.10)
-      parser (>= 3.1.2.1)
+      parser (>= 3.2.0.0)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 1.8, < 3.0)
       rexml (>= 3.2.5, < 4.0)
-      rubocop-ast (>= 1.23.0, < 2.0)
+      rubocop-ast (>= 1.28.0, < 2.0)
       ruby-progressbar (~> 1.7)
-      unicode-display_width (>= 1.4.0, < 3.0)
-    rubocop-ast (1.23.0)
-      parser (>= 3.1.1.0)
+      unicode-display_width (>= 2.4.0, < 3.0)
+    rubocop-ast (1.28.1)
+      parser (>= 3.2.1.0)
     rubocop-performance (1.15.0)
       rubocop (>= 1.7.0, < 2.0)
       rubocop-ast (>= 0.4.0)
@@ -69,10 +70,10 @@ GEM
       rubocop (~> 1.0)
     rubocop-rspec (2.15.0)
       rubocop (~> 1.33)
-    ruby-progressbar (1.11.0)
+    ruby-progressbar (1.13.0)
     tzinfo (2.0.5)
       concurrent-ruby (~> 1.0)
-    unicode-display_width (2.3.0)
+    unicode-display_width (2.4.2)
 
 PLATFORMS
   ruby