Bump rack from 2.2.7 to 2.2.8 (#1023)

Bumps [rack](https://github.com/rack/rack) from 2.2.7 to 2.2.8.
- [Release notes](https://github.com/rack/rack/releases)
- [Changelog](https://github.com/rack/rack/blob/main/CHANGELOG.md)
- [Commits](rack/rack@v2.2.7...v2.2.8)

---
updated-dependencies:
- dependency-name: rack
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile

@@ -18,7 +18,7 @@ gem 'appraisal', github: 'thoughtbot/appraisal', branch: 'main'
 gem 'matrix'
 gem 'nokogiri'
 gem 'pg', platforms: [:mri, :mingw, :x64_mingw]
-gem 'rack', '~> 2.0'
+gem 'rack', '~> 2.2'
 gem 'rails'
 gem "sorbet", group: :development
 gem "sorbet-runtime"

Gemfile.lock

@@ -296,7 +296,7 @@ GEM
     raabro (1.4.0)
     racc (1.7.1)
     racc (1.7.1-java)
-    rack (2.2.7)
+    rack (2.2.8)
     rack-mini-profiler (3.1.0)
       rack (>= 1.2.0)
     rack-test (2.1.0)
@@ -505,7 +505,7 @@ DEPENDENCIES
   pry-byebug
   pry-rails
   puma (~> 5.6)
-  rack (~> 2.0)
+  rack (~> 2.2)
   rack-mini-profiler
   rails
   rbtrace