Build(deps): Bump unicorn from 5.5.4 to 5.5.5 (#9552)

Bumps [unicorn](https://yhbt.net/unicorn/) from 5.5.4 to 5.5.5.

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

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

Gemfile.lock

@@ -405,7 +405,7 @@ GEM
       unf_ext
     unf_ext (0.0.7.7)
     unicode-display_width (1.7.0)
-    unicorn (5.5.4)
+    unicorn (5.5.5)
       kgio (~> 2.6)
       raindrops (~> 0.7)
     uniform_notifier (1.13.0)