$OpenBSD: patch-_metadata,v 1.4 2019/03/15 07:33:16 sebastia Exp $

Don't runtime depend on mini_portile2, it's only need for compiling
the extension.

Index: .metadata
--- .metadata.orig
+++ .metadata
@@ -23,7 +23,7 @@ dependencies:
     - - "~>"
       - !ruby/object:Gem::Version
         version: 2.4.0
-  type: :runtime
+  type: :development
   prerelease: false
   version_requirements: !ruby/object:Gem::Requirement
     requirements:
