Bump addressable from 2.6.0 to 2.8.1

Bumps [addressable](https://github.com/sporkmonger/addressable) from 2.6.0 to 2.8.1.
- [Release notes](https://github.com/sporkmonger/addressable/releases)
- [Changelog](https://github.com/sporkmonger/addressable/blob/main/CHANGELOG.md)
- [Commits](https://github.com/sporkmonger/addressable/compare/addressable-2.6.0...addressable-2.8.1)

---
updated-dependencies:
- dependency-name: addressable
  dependency-type: indirect
...

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

Gemfile.lock

@@ -10,8 +10,8 @@ GIT
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.6.0)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     connection_pool (2.2.2)
     domain_name (0.5.20180417)
       unf (>= 0.0.5, < 1.0.0)
@@ -44,7 +44,7 @@ GEM
     nokogiri (1.10.8)
       mini_portile2 (~> 2.4.0)
     ntlm-http (0.1.1)
-    public_suffix (3.0.3)
+    public_suffix (4.0.7)
     sqlite3 (1.3.10)
     sqlite_magic (0.0.3)
       sqlite3