feat: support meta protocol instrumentation

Author: nickamorim

instrumentation/dalli/lib/opentelemetry/instrumentation/dalli/instrumentation.rb

@@ -34,7 +34,7 @@ def add_patches
             ::Dalli::Server.prepend(Patches::Server)
           else
             ::Dalli::Protocol::Binary.prepend(Patches::Server)
-          end
+            ::Dalli::Protocol::Meta.prepend(Patches::Server) if defined?(::Dalli::Protocol::Meta)
         end
       end
     end