Update Rack to 2.2.3 in qa Gemfiles

qa/Gemfile.lock

@@ -39,9 +39,6 @@ GEM
       adamantium (~> 0.2.0)
       equalizer (~> 0.0.9)
     concurrent-ruby (1.1.7)
-    debase (0.2.4.1)
-      debase-ruby_core_source (>= 0.10.2)
-    debase-ruby_core_source (0.10.6)
     diff-lcs (1.3)
     domain_name (0.5.20190701)
       unf (>= 0.0.5, < 1.0.0)
@@ -88,7 +85,7 @@ GEM
       byebug (~> 9.1)
       pry (~> 0.10)
     public_suffix (4.0.1)
-    rack (2.2.2)
+    rack (2.2.3)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rake (12.3.3)
@@ -155,7 +152,6 @@ DEPENDENCIES
   airborne (~> 0.3.4)
   capybara (~> 3.29.0)
   capybara-screenshot (~> 1.0.23)
-  debase (~> 0.2.4.1)
   faker (~> 1.6, >= 1.6.6)
   gitlab-qa
   knapsack (~> 1.17)

qa/qa/fixtures/auto_devops_rack/Gemfile.lock

 GEM
   remote: https://rubygems.org/
   specs:
-    rack (2.0.6)
+    rack (2.2.3)
     rake (12.3.3)
 
 PLATFORMS