erchef: upgrade opscoderl_httpc
erchef: upgrade opscoderl_httpc

This pulls in chef/opscoderl_httpc#13 which will allow for a temporary
workaround to some TLS issues we've encountered in Automate's Chef
Server.

Signed-off-by: Steven Danna <9ce5770b3bb4b2a1d59be2d97e34379cd192299f@chef.io>

chef/chef-server,chef/chef-server,chef/chef-server,chef/chef-server,chef/chef-server,chef/chef-server