Merge pull request cloudfoundry#1759 from cloudfoundry/dependabot/bundler/public_suffix-4.0.5

build(deps): bump public_suffix from 3.1.0 to 4.0.5

[Finishes #174056163]

Author: selzoc

Gemfile.lock

@@ -316,7 +316,7 @@ GEM
     pry-byebug (3.9.0)
       byebug (~> 11.0)
       pry (~> 0.13.0)
-    public_suffix (3.1.0)
+    public_suffix (4.0.5)
     rack (2.2.3)
     rack-protection (2.0.8.1)
       rack