Update dependency qpid_proton to "~>0.40.0"

Author: renovate[bot]

Gemfile

@@ -214,7 +214,7 @@ group :terraform_enterprise, :manageiq_default do
 end
 
 group :qpid_proton, :optional => true do
-  gem "qpid_proton",                    "~>0.37.0",          :require => false
+  gem "qpid_proton",                    "~>0.40.0",          :require => false
 end
 
 group :systemd, :optional => true do