Bump rack from 3.2.2 to 3.2.3 (#45)

Bumps [rack](https://github.com/rack/rack) from 3.2.2 to 3.2.3.
- [Release notes](https://github.com/rack/rack/releases)
- [Changelog](https://github.com/rack/rack/blob/main/CHANGELOG.md)
- [Commits](rack/rack@v3.2.2...v3.2.3)

---
updated-dependencies:
- dependency-name: rack
  dependency-version: 3.2.3
  dependency-type: indirect
...

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Author: dependabot[bot]

Gemfile.lock

@@ -85,7 +85,7 @@ GEM
       method_source (~> 1.0)
     public_suffix (6.0.2)
     racc (1.8.1)
-    rack (3.2.2)
+    rack (3.2.3)
     rackup (2.2.1)
       rack (>= 3)
     rainpress (1.0.1)