Merge pull request #53 from jruby/dependabot/bundler/rack-3.1.20

Bump rack from 3.0.9 to 3.1.20

Author: headius

Gemfile.lock

@@ -504,7 +504,7 @@ GEM
     puma (6.4.2)
       nio4r (~> 2.0)
     racc (1.7.3)
-    rack (3.0.9)
+    rack (3.1.20)
     rackup (2.1.0)
       rack (>= 3)
       webrick (~> 1.8)