Build(deps): Bump unicorn from 5.5.5 to 5.6.0

Build(deps): Bump unicorn from 5.5.5 to 5.6.0

Bumps unicorn from 5.5.5 to 5.6.0.

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

diff --git a/Gemfile.lock b/Gemfile.lock
index 9ec1ab3..ec2a4be 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -419,7 +419,7 @@ GEM
       unf_ext
     unf_ext (0.0.7.7)
     unicode-display_width (1.7.0)
-    unicorn (5.5.5)
+    unicorn (5.6.0)
       kgio (~> 2.6)
       raindrops (~> 0.7)
     uniform_notifier (1.13.0)

GitHub sha: 02d675ff

This commit appears in #10314 which was merged by eviltrout.