Bump agent to ea78a58
Bump agent to ea78a58

- Improve internal sample storage.

matrinox/appsignal-ruby,appsignal/appsignal-ruby,appsignal/appsignal-ruby,appsignal/appsignal-ruby,appsignal/appsignal-ruby,matrinox/appsignal-ruby,appsignal/appsignal,appsignal/appsignal,matrinox/appsignal-ruby