Bump addressable from 2.7.0 to 2.8.1

Bumps [addressable](https://github.com/sporkmonger/addressable) from 2.7.0 to 2.8.1.
- [Release notes](https://github.com/sporkmonger/addressable/releases)
- [Changelog](https://github.com/sporkmonger/addressable/blob/main/CHANGELOG.md)
- [Commits](sporkmonger/addressable@addressable-2.7.0...addressable-2.8.1)

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

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

Gemfile.lock

@@ -19,8 +19,8 @@ GEM
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     autoprefixer-rails (10.2.4.0)
       execjs
     bootstrap (4.6.0)
@@ -127,7 +127,7 @@ GEM
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     popper_js (1.16.0)
-    public_suffix (4.0.6)
+    public_suffix (5.0.0)
     racc (1.6.0)
     rack (1.6.13)
     rack-test (0.6.3)