Bump rack from 3.1.8 to 3.1.9

Bumps [rack](https://github.com/rack/rack) from 3.1.8 to 3.1.9.
- [Release notes](https://github.com/rack/rack/releases)
- [Changelog](https://github.com/rack/rack/blob/main/CHANGELOG.md)
- [Commits](rack/rack@v3.1.8...v3.1.9)

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

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

Gemfile.lock

@@ -219,7 +219,7 @@ GEM
     puma (6.5.0)
       nio4r (~> 2.0)
     racc (1.8.1)
-    rack (3.1.8)
+    rack (3.1.9)
     rack-attack (6.7.0)
       rack (>= 1.0, < 4)
     rack-attack-rate-limit (1.1.0)
@@ -482,7 +482,7 @@ CHECKSUMS
   public_suffix (6.0.1) sha256=61d44e1cab5cbbbe5b31068481cf16976dd0dc1b6b07bd95617ef8c5e3e00c6f
   puma (6.5.0) sha256=94d1b75cab7f356d52e4f1b17b9040a090889b341dbeee6ee3703f441dc189f2
   racc (1.8.1) sha256=4a7f6929691dbec8b5209a0b373bc2614882b55fc5d2e447a21aaa691303d62f
-  rack (3.1.8) sha256=d3fbcbca43dc2b43c9c6d7dfbac01667ae58643c42cea10013d0da970218a1b1
+  rack (3.1.9) sha256=3d0a390444dcc753ced32978159463f92ac920ae28d7058b6fd633abb9dd349d
   rack-attack (6.7.0) sha256=3ca47e8f66cd33b2c96af53ea4754525cd928ed3fa8da10ee6dad0277791d77c
   rack-attack-rate-limit (1.1.0) sha256=04bbe6985406ac30b5aba03ca662b7f90cc02dca626f7c2d9c512c4efe323a69
   rack-cors (2.0.2) sha256=415d4e1599891760c5dc9ef0349c7fecdf94f7c6a03e75b2e7c2b54b82adda1b