Merge pull request #386 from OWASP/dependabot/bundler/rack-2.2.3

Bump rack from 2.0.7 to 2.2.3

Author: Ken Johnson

Gemfile.lock

@@ -215,7 +215,7 @@ GEM
     public_suffix (4.0.1)
     puma (4.3.5)
       nio4r (~> 2.0)
-    rack (2.0.7)
+    rack (2.2.3)
     rack-livereload (0.3.17)
       rack
     rack-test (1.1.0)