Bump agent to da45785
Bump agent to da45785

`appsignal_transaction_to_json` would return escaped JSON in sample data
when called `transaction.to_json`. This update fixes that.

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