Bump agent to d5b0750
Bump agent to d5b0750

- Truncate lengthy data values to avoid sending large payloads that
  include large attachments or uploads.

appsignal/appsignal-elixir,appsignal/appsignal-elixir,appsignal/appsignal-elixir,appsignal/appsignal-elixir