Update dependency rack-cors to v3

Author: renovate[bot]

Gemfile.lock

@@ -301,8 +301,9 @@ GEM
       nio4r (~> 2.0)
     racc (1.8.1)
     rack (3.1.16)
-    rack-cors (2.0.2)
-      rack (>= 2.0.0)
+    rack-cors (3.0.0)
+      logger
+      rack (>= 3.0.14)
     rack-oauth2 (2.2.1)
       activesupport
       attr_required