Bump rack from 2.2.3 to 2.2.3.1

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](rack/rack@2.2.3...2.2.3.1)

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

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

Author: dependabot[bot]

Gemfile.lock

@@ -394,7 +394,7 @@ GEM
       forwardable-extended (~> 2.6)
     public_suffix (2.0.5)
     racc (1.6.0)
-    rack (2.2.3)
+    rack (2.2.3.1)
     rake (12.3.3)
     rb-fsevent (0.10.3)
     rb-inotify (0.10.0)