Bump agent to 0eb371d
Bump agent to 0eb371d

- Add separate GNU linux build
- Add separate FreeBSD build
- Fix crashes when using a transaction from multiple processes in an
  unsupported way
- Auto restart agent when none is running

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