Bump rack from 2.2.3 to 2.2.3.1 (#18540)

Bumps [rack](https://github.com/rack/rack) from 2.2.3 to 2.2.3.1.
- [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...2.2.3.1)

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

Signed-off-by: dependabot[bot] <support@github.com>

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

Gemfile.lock

@@ -474,7 +474,7 @@ GEM
       activesupport (>= 3.0.0)
     raabro (1.4.0)
     racc (1.6.0)
-    rack (2.2.3)
+    rack (2.2.3.1)
     rack-attack (6.6.1)
       rack (>= 1.0, < 3)
     rack-cors (1.1.1)