Bump rack from 2.2.13 to 2.2.18

Bumps [rack](https://github.com/rack/rack) from 2.2.13 to 2.2.18.
- [Release notes](https://github.com/rack/rack/releases)
- [Changelog](https://github.com/rack/rack/blob/main/CHANGELOG.md)
- [Commits](rack/rack@v2.2.13...v2.2.18)

---
updated-dependencies:
- dependency-name: rack
  dependency-version: 2.2.18
  dependency-type: indirect
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -156,6 +156,7 @@ GEM
     faraday-net_http (3.4.0)
       net-http (>= 0.5.0)
     ffi (1.17.2-aarch64-linux-gnu)
+    ffi (1.17.2-x86_64-linux-gnu)
     figaro (1.2.0)
       thor (>= 0.14.0, < 2)
     font-awesome-sass (6.2.1)
@@ -230,6 +231,8 @@ GEM
     nio4r (2.7.4)
     nokogiri (1.18.8-aarch64-linux-gnu)
       racc (~> 1.4)
+    nokogiri (1.18.8-x86_64-linux-gnu)
+      racc (~> 1.4)
     ostruct (0.6.1)
     pg (1.5.9)
     pp (0.6.2)
@@ -242,7 +245,7 @@ GEM
     puma (6.6.0)
       nio4r (~> 2.0)
     racc (1.8.1)
-    rack (2.2.13)
+    rack (2.2.18)
     rack-session (1.0.2)
       rack (< 3)
     rack-test (2.2.0)
@@ -382,6 +385,7 @@ GEM
 
 PLATFORMS
   aarch64-linux
+  x86_64-linux
 
 DEPENDENCIES
   active_storage_validations