Maintenance: Security update for the 'rack' gem.

Gemfile.lock

@@ -499,7 +499,7 @@ GEM
       rspec-mocks (~> 3.12)
       rspec-support (~> 3.12)
     racc (1.8.1)
-    rack (2.2.10)
+    rack (2.2.11)
     rack-attack (6.7.0)
       rack (>= 1.0, < 4)
     rack-protection (3.2.0)