Bug: missing adaptor environment enter and exit timeouts

[joel-wong-aws]

Describe the bug

The Unreal adaptor's environment enter and exits do not have a timeout specified in their job template.

Expected Behaviour

The timeout for the environment enter should be a little more (ex. 1 minute) than the server start timeout + Unreal start timeout. The timeout for the environment exit should be a little more (ex. 1 minute) than the server end timeout + Unreal end timeout

Current Behaviour

If the environment enter or exit get stuck (and the first layer of timeouts doesn't work), then the worker agent does not enforce the timeout.

Proposed Solution

Add a timeout to the environment enter and exit actions here, using the OpenJD spec timeout field.

Environment

1. Operating system (e.g. Windows Server 2022; Amazon Linux 2023; etc.): affects all rendering OSes
2. Version of Unreal Engine: affects all versions of Unreal
3. Version of this package: affects all versions
4. If this is from a version installed by the Deadline Cloud Submitter installer, then what version of the submitter installer? N/A

Example PR: aws-deadline/deadline-cloud-for-cinema-4d#173