build(deps): bump public_suffix from 4.0.5 to 4.0.6

Bumps [public_suffix](https://github.com/weppos/publicsuffix-ruby) from 4.0.5 to 4.0.6.
- [Release notes](https://github.com/weppos/publicsuffix-ruby/releases)
- [Changelog](https://github.com/weppos/publicsuffix-ruby/blob/master/CHANGELOG.md)
- [Commits](weppos/publicsuffix-ruby@v4.0.5...v4.0.6)

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

Author: dependabot[bot]

Gemfile.lock

@@ -320,7 +320,7 @@ GEM
     pry-byebug (3.9.0)
       byebug (~> 11.0)
       pry (~> 0.13.0)
-    public_suffix (4.0.5)
+    public_suffix (4.0.6)
     rack (2.2.3)
     rack-protection (2.0.8.1)
       rack