Update to linzer 0.7 (#34765)

config/initializers/linzer.rb

@@ -0,0 +1,32 @@
+# frozen_string_literal: true
+
+require 'linzer/http/signature_feature'
+require 'linzer/message/adapter/http_gem/response'
+
+module Linzer::Message::Adapter
+  module ActionDispatch
+    class Response < Linzer::Message::Adapter::Abstract
+      def initialize(operation, **_options) # rubocop:disable Lint/MissingSuper
+        @operation = operation
+      end
+
+      def header(name)
+        @operation.headers[name]
+      end
+
+      def attach!(signature)
+        signature.to_h.each { |h, v| @operation.headers[h] = v }
+      end
+
+      # Incomplete, but sufficient for FASP
+      def [](field_name)
+        return @operation.status if field_name == '@status'
+
+        @operation.headers[field_name]
+      end
+    end
+  end
+end
+
+Linzer::Message.register_adapter(HTTP::Response, Linzer::Message::Adapter::HTTPGem::Response)
+Linzer::Message.register_adapter(ActionDispatch::Response, Linzer::Message::Adapter::ActionDispatch::Response)