Merge pull request #412 from openstax/dependabot/bundler/rack-2.2.11

Bump rack from 2.2.10 to 2.2.11

Author: Dantemss

Gemfile.lock

@@ -375,7 +375,7 @@ GEM
       get_process_mem (>= 0.2)
       puma (>= 2.7)
     racc (1.8.1)
-    rack (2.2.10)
+    rack (2.2.11)
     rack-protection (3.2.0)
       base64 (>= 0.1.0)
       rack (~> 2.2, >= 2.2.4)