Merge branch 'update-danger-version' into 'master'

Update danger version to 8.4.5

See merge request gitlab-org/gitlab!82144

Gemfile.lock

@@ -224,7 +224,7 @@ GEM
     css_parser (1.7.0)
       addressable
     daemons (1.3.1)
-    danger (8.4.3)
+    danger (8.4.5)
       claide (~> 1.0)
       claide-plugins (>= 0.9.2)
       colored2 (~> 3.1)