Merge pull request #1275 from gocd/dependabot/bundler/rack-3.1.18

Bump rack from 3.1.17 to 3.1.18

Author: chadlwilson

Gemfile.lock

@@ -201,7 +201,7 @@ GEM
       ttfunk
     public_suffix (6.0.2)
     racc (1.8.1)
-    rack (3.1.17)
+    rack (3.1.18)
     rack-livereload (0.6.1)
       rack (>= 3.0, < 3.2)
     rackup (2.2.1)