Bump rack from 2.2.8.1 to 2.2.12

Bumps [rack](https://github.com/rack/rack) from 2.2.8.1 to 2.2.12.
- [Release notes](https://github.com/rack/rack/releases)
- [Changelog](https://github.com/rack/rack/blob/main/CHANGELOG.md)
- [Commits](rack/rack@v2.2.8.1...v2.2.12)

---
updated-dependencies:
- dependency-name: rack
  dependency-type: direct:production
...

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

Author: dependabot[bot]

Gemfile

@@ -4,7 +4,7 @@ source 'https://rubygems.org'
 
 gemspec
 
-gem 'rack', '2.2.8.1'
+gem 'rack', '2.2.12'
 
 gem 'capybara', '>= 3.35.0'
 gem 'cuprite', '>= 0.14.0'

Gemfile.lock

@@ -44,7 +44,7 @@ GEM
     prism (0.24.0)
     public_suffix (5.0.4)
     racc (1.7.3)
-    rack (2.2.8.1)
+    rack (2.2.12)
     rack-test (2.1.0)
       rack (>= 1.3)
     rainbow (3.1.1)
@@ -105,7 +105,7 @@ DEPENDENCIES
   capybara_mock!
   cuprite (>= 0.14.0)
   nokogiri (>= 1.16.0)
-  rack (= 2.2.8.1)
+  rack (= 2.2.12)
   rake (~> 13.0)
   rspec (~> 3.0)
   rubocop (~> 1.21)