Bump bosh-agent
Bump bosh-agent

Bumped to keep up on latest.

Recent work includes regenerating the agent client fakes

Signed-off-by: Shatarupa Nandi <3efeaa499e3e1d586e0cf648346ba222fe46816b@pivotal.io>

barthy1/bosh,barthy1/bosh,barthy1/bosh,barthy1/bosh