Bump addressable from 2.4.0 to 2.8.0

Bumps [addressable](https://github.com/sporkmonger/addressable) from 2.4.0 to 2.8.0.
- [Release notes](https://github.com/sporkmonger/addressable/releases)
- [Changelog](https://github.com/sporkmonger/addressable/blob/main/CHANGELOG.md)
- [Commits](sporkmonger/addressable@addressable-2.4.0...addressable-2.8.0)

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

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

Author: dependabot[bot]

Gemfile.lock

@@ -54,7 +54,8 @@ GEM
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
-    addressable (2.4.0)
+    addressable (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
     angular-ui-bootstrap-rails (0.14.3)
     angular_rails_csrf (1.0.4)
       rails (>= 3, < 5)
@@ -189,6 +190,7 @@ GEM
     pg (0.18.4)
     polyamorous (1.3.0)
       activerecord (>= 3.0)
+    public_suffix (4.0.6)
     puma (2.16.0)
     quiet_assets (1.1.0)
       railties (>= 3.1, < 5.0)