bump httplib2 version
bump httplib2 version

serverdensity/sd-agent-core-plugins,DataDog/integrations-core,DataDog/integrations-core,DataDog/integrations-core,DataDog/integrations-core,DataDog/integrations-core,serverdensity/sd-agent-core-plugins,DataDog/integrations-core,serverdensity/sd-agent-core-plugins,DataDog/integrations-core,DataDog/integrations-core,DataDog/integrations-core,serverdensity/sd-agent-core-plugins,DataDog/integrations-core,serverdensity/sd-agent-core-plugins