Update rack to version 2.2.14 (#553)

Co-authored-by: depfu[bot] <23717796+depfu[bot]@users.noreply.github.com>
Co-authored-by: Joan Lledó <jlledo@redhat.com>

Author: depfu[bot]

Gemfile.lock

@@ -241,7 +241,7 @@ GEM
       que (>= 1)
       sinatra
     racc (1.8.1)
-    rack (2.2.13)
+    rack (2.2.14)
     rack-protection (2.2.3)
       rack
     rack-test (2.1.0)