Merge pull request #1160 from ElixirTeSS/dependabot/bundler/rack-2.2.20

Bump rack from 2.2.19 to 2.2.20

Author: fbacall

Gemfile.lock

@@ -454,7 +454,7 @@ GEM
     pundit (2.3.1)
       activesupport (>= 3.0.0)
     racc (1.8.1)
-    rack (2.2.19)
+    rack (2.2.20)
     rack-cors (2.0.2)
       rack (>= 2.0.0)
     rack-oauth2 (2.2.0)