Bump rackup from 2.2.0 to 2.2.1 (#1701)

Bumps [rackup](https://github.com/rack/rackup) from 2.2.0 to 2.2.1.
- [Release notes](https://github.com/rack/rackup/releases)
- [Changelog](https://github.com/rack/rackup/blob/main/releases.md)
- [Commits](rack/rackup@v2.2.0...v2.2.1)

---
updated-dependencies:
- dependency-name: rackup
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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

Gemfile.lock

@@ -186,7 +186,7 @@ GEM
       rack (>= 3.0.0)
     rack-test (2.1.0)
       rack (>= 1.3)
-    rackup (2.2.0)
+    rackup (2.2.1)
       rack (>= 3)
     rails (8.0.0)
       actioncable (= 8.0.0)
@@ -440,7 +440,7 @@ CHECKSUMS
   rack (3.1.8) sha256=d3fbcbca43dc2b43c9c6d7dfbac01667ae58643c42cea10013d0da970218a1b1
   rack-session (2.0.0) sha256=db04b2063e180369192a9046b4559af311990af38c6a93d4c600cee4eb6d4e81
   rack-test (2.1.0) sha256=0c61fc61904049d691922ea4bb99e28004ed3f43aa5cfd495024cc345f125dfb
-  rackup (2.2.0) sha256=72335d0c0e32497692cb9998b15b2ef9ebfe77a430d72ac06d49db3b05ea543d
+  rackup (2.2.1) sha256=f737191fd5c5b348b7f0a4412a3b86383f88c43e13b8217b63d4c8d90b9e798d
   rails (8.0.0) sha256=402dd94e82e1ff85c1c18a360894ec59dfe196335c310571c5faee89f4b321a4
   rails-dom-testing (2.2.0) sha256=e515712e48df1f687a1d7c380fd7b07b8558faa26464474da64183a7426fa93b
   rails-html-sanitizer (1.6.0) sha256=86e9f19d2e6748890dcc2633c8945ca45baa08a1df9d8c215ce17b3b0afaa4de