Bump rubocop from 0.80.1 to 0.81.0 (#658)

Bumps [rubocop](https://github.com/rubocop-hq/rubocop) from 0.80.1 to 0.81.0.
- [Release notes](https://github.com/rubocop-hq/rubocop/releases)
- [Changelog](https://github.com/rubocop-hq/rubocop/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop@v0.80.1...v0.81.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

.rubocop.yml

@@ -303,9 +303,6 @@ Lint/EmptyInterpolation:
 Lint/EmptyWhen:
   Enabled: true
 
-Lint/EndInMethod:
-  Enabled: true
-
 Lint/EnsureReturn:
   Enabled: true
 

Gemfile

@@ -11,7 +11,7 @@ gem "pry", "0.12.2"
 gem "rake", "~> 13.0"
 gem "rake-compiler", "~> 1.0"
 gem "rexml", "~> 3.2" # TODO: remove when https://github.com/gettalong/kramdown/pull/638 released
-gem "rubocop", "0.80.1"
+gem "rubocop", "0.81.0"
 gem "rubocop-performance", "~> 1.3"
 gem "simplecov", "0.17.1"
 gem "yard", "0.9.24"

Gemfile.lock

@@ -37,7 +37,7 @@ GEM
       faraday (>= 0.9)
       sawyer (~> 0.8.0, >= 0.5.3)
     parallel (1.19.1)
-    parser (2.7.0.4)
+    parser (2.7.0.5)
       ast (~> 2.4.0)
     pry (0.12.2)
       coderay (~> 1.1.0)
@@ -48,14 +48,14 @@ GEM
     rake-compiler (1.1.0)
       rake
     rexml (3.2.4)
-    rubocop (0.80.1)
+    rubocop (0.81.0)
       jaro_winkler (~> 1.5.1)
       parallel (~> 1.10)
       parser (>= 2.7.0.1)
       rainbow (>= 2.2.2, < 4.0)
       rexml
       ruby-progressbar (~> 1.7)
-      unicode-display_width (>= 1.4.0, < 1.7)
+      unicode-display_width (>= 1.4.0, < 2.0)
     rubocop-performance (1.5.2)
       rubocop (>= 0.71.0)
     ruby-progressbar (1.10.1)
@@ -68,7 +68,7 @@ GEM
       simplecov-html (~> 0.10.0)
     simplecov-html (0.10.2)
     tomlrb (1.2.9)
-    unicode-display_width (1.6.1)
+    unicode-display_width (1.7.0)
     yard (0.9.24)
 
 PLATFORMS
@@ -84,7 +84,7 @@ DEPENDENCIES
   rake (~> 13.0)
   rake-compiler (~> 1.0)
   rexml (~> 3.2)
-  rubocop (= 0.80.1)
+  rubocop (= 0.81.0)
   rubocop-performance (~> 1.3)
   simplecov (= 0.17.1)
   yard (= 0.9.24)