Bump unicode-display_width from 2.5.0 to 2.6.0 (#704)

Bumps [unicode-display_width](https://github.com/janlelis/unicode-display_width) from 2.5.0 to 2.6.0.
- [Changelog](https://github.com/janlelis/unicode-display_width/blob/main/CHANGELOG.md)
- [Commits](janlelis/unicode-display_width@v2.5.0...v2.6.0)

---
updated-dependencies:
- dependency-name: unicode-display_width
  dependency-type: indirect
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile.lock

@@ -93,7 +93,7 @@ GEM
       sinatra (= 4.0.0)
       tilt (~> 2.0)
     tilt (2.4.0)
-    unicode-display_width (2.5.0)
+    unicode-display_width (2.6.0)
     webrick (1.8.1)
     yard (0.9.37)