chore: Update deadline-cloud dependency to 0.28.*

[gahyusuh]

What was the problem/requirement? (What/Why)

We need to upgrade the deadline-cloud version to the latest version.

What was the solution? (How)

Updated deadline-cloud version to 0.28.*

What is the impact of this change?

Update to latest deadline-cloud release

How was this change tested?

hatch run lint && hatch run test

Did you run the "Job Bundle Output Tests"? If not, why not? If so, paste the test results here.

N/A
There are two breaking changes, and these do not require running the test.

• Update get_queue_user_boto3_session to work with default creds: changed the name of a function that are being used internally,
• Change osType to rootPathFormat: changed the name of a field/property in Job Attachments library, which is accessed by the Worker Agent.

Was this change documented?

No.

Is this a breaking change?

No.