Update rack-cors in Gemfile.lock

This was missing from
https://gitlab.com/gitlab-org/gitlab/-/merge_requests/24152.
Signed-off-by: Rémy Coutable <remy@rymai.me>

Gemfile.lock

@@ -1326,7 +1326,7 @@ DEPENDENCIES
   pry-rails (~> 0.3.9)
   rack (~> 2.0.7)
   rack-attack (~> 6.2.0)
-  rack-cors (~> 1.0.0)
+  rack-cors (~> 1.0.6)
   rack-oauth2 (~> 1.9.3)
   rack-proxy (~> 0.6.0)
   rack-timeout