upstream locked cri to be compatible with older ruby versions

Index: .metadata
--- .metadata.orig
+++ .metadata
@@ -28,7 +28,7 @@ dependencies:
   name: cri
   requirement: !ruby/object:Gem::Requirement
     requirements:
-    - - '='
+    - - '~>'
       - !ruby/object:Gem::Version
         version: 2.15.10
   type: :runtime