Bug 1483301 - Raise the New Relic Python agent's shutdown_timeout (#3922)
Bug 1483301 - Raise the New Relic Python agent's shutdown_timeout (#3922)

So that the agent has longer to upload the final submission when
Heroku restarts gunicorn (eg daily restarts or deploys).

See:
https://docs.newrelic.com/docs/agents/python-agent/configuration/python-agent-configuration#shutdown-timeout
edmorley/treeherder,KWierso/treeherder,KWierso/treeherder,edmorley/treeherder,KWierso/treeherder,edmorley/treeherder,KWierso/treeherder,edmorley/treeherder