Build(deps): bump unleash from 5.0.7 to 6.0.9

Bumps [unleash](https://github.com/unleash/unleash-client-ruby) from 5.0.7 to 6.0.9.
- [Changelog](https://github.com/Unleash/unleash-client-ruby/blob/main/CHANGELOG.md)
- [Commits](Unleash/unleash-client-ruby@v5.0.7...v6.0.9)

---
updated-dependencies:
- dependency-name: unleash
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Gemfile

@@ -35,5 +35,5 @@ gem "rubocop-rspec", "~> 3.0"
 gem "sentry-ruby", "~> 5.19"
 gem "sinatra", "~> 4.0"
 gem "sinatra-contrib"
-gem "unleash", "~> 5.0.5"
+gem "unleash", "~> 6.0.9"
 gem "zeitwerk", "~> 2.7.0"

Gemfile.lock

@@ -51,6 +51,7 @@ GEM
       logger
     faraday-net_http (3.3.0)
       net-http
+    ffi (1.16.3)
     google-protobuf (3.25.5)
     hashdiff (1.1.1)
     hashie (5.0.0)
@@ -68,7 +69,6 @@ GEM
     multi_json (1.15.0)
     multi_xml (0.7.1)
       bigdecimal (~> 3.1)
-    murmurhash3 (0.1.7)
     mustermann (3.0.3)
       ruby2_keywords (~> 0.0.1)
     net-http (0.4.1)
@@ -189,8 +189,8 @@ GEM
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
     unicode-display_width (2.6.0)
-    unleash (5.0.7)
-      murmurhash3 (~> 0.1.7)
+    unleash (6.0.9)
+      yggdrasil-engine (~> 0.0.9)
     uri (0.13.1)
     version_gem (1.1.4)
     webdrivers (5.2.0)
@@ -205,10 +205,12 @@ GEM
     websocket (1.2.11)
     xpath (3.2.0)
       nokogiri (~> 1.8)
+    yggdrasil-engine (0.0.9-x86_64-linux)
+      ffi (~> 1.16.3)
     zeitwerk (2.7.0)
 
 PLATFORMS
-  ruby
+  x86_64-linux
 
 DEPENDENCIES
   capybara (~> 3.40)
@@ -233,7 +235,7 @@ DEPENDENCIES
   sinatra (~> 4.0)
   sinatra-contrib
   timecop (~> 0.9.10)
-  unleash (~> 5.0.5)
+  unleash (~> 6.0.9)
   webdrivers (~> 5.2.0)
   webmock (~> 3.23)
   zeitwerk (~> 2.7.0)