Upgrade unleash to 3.2.2

It is my understanding that this is currently
unused and just tech debt, but it is sitting
in the path for the Ruby 3 migration, and
using the latest version resolves this
problem.

Gemfile

@@ -487,7 +487,7 @@ gem 'toml-rb', '~> 2.0'
 gem 'flipper', '~> 0.21.0'
 gem 'flipper-active_record', '~> 0.21.0'
 gem 'flipper-active_support_cache_store', '~> 0.21.0'
-gem 'unleash', '~> 0.1.5'
+gem 'unleash', '~> 3.2.2'
 gem 'gitlab-experiment', '~> 0.6.2'
 
 # Structured logging

Gemfile.lock

@@ -1317,7 +1317,7 @@ GEM
     unicode-display_width (1.7.0)
     unicode_utils (1.4.0)
     uniform_notifier (1.13.0)
-    unleash (0.1.5)
+    unleash (3.2.2)
       murmurhash3 (~> 0.1.6)
     unparser (0.6.0)
       diff-lcs (~> 1.3)
@@ -1643,7 +1643,7 @@ DEPENDENCIES
   truncato (~> 0.7.11)
   u2f (~> 0.2.1)
   unf (~> 0.1.4)
-  unleash (~> 0.1.5)
+  unleash (~> 3.2.2)
   valid_email (~> 0.1)
   validates_hostname (~> 1.0.11)
   version_sorter (~> 2.2.4)