Merge pull request #634 from PopulateTools/dependabot/bundler/rack-2.2.18

Bump rack from 2.2.17 to 2.2.18

Author: ferblape

Gemfile.lock

@@ -300,7 +300,7 @@ GEM
     puma (6.4.3)
       nio4r (~> 2.0)
     racc (1.8.1)
-    rack (2.2.17)
+    rack (2.2.18)
     rack-rewrite (1.5.1)
     rack-session (1.0.2)
       rack (< 3)