Bump rack from 2.2.3 to 2.2.4 (#2578)

Bumps [rack](https://github.com/rack/rack) from 2.2.3 to 2.2.4.
- [Release notes](https://github.com/rack/rack/releases)
- [Changelog](https://github.com/rack/rack/blob/main/CHANGELOG.md)
- [Commits](https://github.com/rack/rack/compare/2.2.3...2.2.4)

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

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Gemfile.lock

@@ -175,7 +175,7 @@ GEM
       pry (~> 0.13)
     public_suffix (4.0.6)
     racc (1.6.0)
-    rack (2.2.3)
+    rack (2.2.4)
     rack-protection (2.1.0)
       rack
     rack-test (1.1.0)