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] <[email protected]>

Author: dependabot-support

Gemfile.lock

@@ -248,7 +248,7 @@ GEM
       ethon (>= 0.9.0)
     tzinfo (1.2.5)
       thread_safe (~> 0.1)
-    unicode-display_width (1.5.0)
+    unicode-display_width (1.6.0)
     yell (2.1.0)
 
 PLATFORMS