Merge pull request #5021 from alphagov/dependabot/bundler/rack-2.2.13

Bump rack from 2.2.12 to 2.2.13

Author: MuriloDalRi

Gemfile.lock

@@ -579,7 +579,7 @@ GEM
     puma (6.4.3)
       nio4r (~> 2.0)
     racc (1.8.1)
-    rack (2.2.12)
+    rack (2.2.13)
     rack-livereload (0.3.17)
       rack
     rack-proxy (0.7.7)