Print Kubernetes Pod events

What does this MR do?

Prints Kubernetes events related to the build Pod in the job log.

On Success:

On Error:

Why was this MR needed?

So users can inspect the events of failed or hung pods.

What's the best way to test this MR?

Set environment = ["FF_PRINT_POD_EVENTS=1"] in your config.toml

Run a job, see output in job log

What are the relevant issue numbers?

Closes #36890 (closed), #28747 (closed)