Update rubocop to version 0.93.1

Gemfile.lock

@@ -48,7 +48,7 @@ GEM
     argon2 (2.0.2)
       ffi (~> 1.9)
       ffi-compiler (>= 0.1)
-    ast (2.4.0)
+    ast (2.4.1)
     bcrypt (3.1.15)
     bindex (0.5.0)
     builder (3.2.4)
@@ -99,7 +99,6 @@ GEM
       activesupport (>= 4.2.0)
     i18n (1.8.5)
       concurrent-ruby (~> 1.0)
-    jaro_winkler (1.5.4)
     jbuilder (2.10.1)
       activesupport (>= 5.0.0)
     jquery-rails (4.4.0)
@@ -127,14 +126,14 @@ GEM
     nio4r (2.5.3)
     nokogiri (1.10.10)
       mini_portile2 (~> 2.4.0)
-    parallel (1.19.1)
-    parser (2.7.0.5)
-      ast (~> 2.4.0)
+    parallel (1.20.1)
+    parser (2.7.2.0)
+      ast (~> 2.4.1)
     pg (0.21.0)
     pry (0.13.1)
       coderay (~> 1.1)
       method_source (~> 1.0)
-    public_suffix (4.0.5)
+    public_suffix (4.0.6)
     puma (3.12.6)
     rack (2.2.3)
     rack-test (1.1.0)
@@ -169,16 +168,19 @@ GEM
     rb-inotify (0.10.0)
       ffi (~> 1.0)
     rb-readline (0.5.5)
-    regexp_parser (1.7.1)
+    regexp_parser (1.8.2)
     rexml (3.2.4)
-    rubocop (0.81.0)
-      jaro_winkler (~> 1.5.1)
+    rubocop (0.93.1)
       parallel (~> 1.10)
-      parser (>= 2.7.0.1)
+      parser (>= 2.7.1.5)
       rainbow (>= 2.2.2, < 4.0)
+      regexp_parser (>= 1.8)
       rexml
+      rubocop-ast (>= 0.6.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 2.0)
+    rubocop-ast (1.2.0)
+      parser (>= 2.7.1.5)
     ruby-progressbar (1.10.1)
     sass (3.7.4)
       sass-listen (~> 4.0.0)