Bump unicode-display_width from 1.5.0 to 1.6.0

Bumps [unicode-display_width](https://github.com/janlelis/unicode-display_width) from 1.5.0 to 1.6.0.
- [Release notes](https://github.com/janlelis/unicode-display_width/releases)
- [Changelog](https://github.com/janlelis/unicode-display_width/blob/master/CHANGELOG.md)
- [Commits](janlelis/unicode-display_width@v1.5.0...v1.6.0)

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

Gemfile.lock

@@ -66,13 +66,13 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.8.0)
     rspec-support (3.8.0)
-    rubocop (0.68.1)
+    rubocop (0.69.0)
       jaro_winkler (~> 1.5.1)
       parallel (~> 1.10)
-      parser (>= 2.5, != 2.5.1.1)
+      parser (>= 2.6)
       rainbow (>= 2.2.2, < 4.0)
       ruby-progressbar (~> 1.7)
-      unicode-display_width (>= 1.4.0, < 1.6)
+      unicode-display_width (>= 1.4.0, < 1.7)
     ruby-progressbar (1.10.0)
     ruby_dep (1.5.0)
     shellany (0.0.1)
@@ -87,7 +87,7 @@ GEM
       tins (~> 1.0)
     thor (0.20.3)
     tins (1.20.2)
-    unicode-display_width (1.5.0)
+    unicode-display_width (1.6.0)
 
 PLATFORMS
   ruby