HPCC-32683 Fix issues with postmortem and container death

[jakesmith]

helm changes:

• Consistently generate command via addCommandAndLifecycle, and collect added container information in lifeCycleCtx based on containers added to lifeCycleCtx
• Add terminationGracePeriodSeconds option
• Mount ephemeral directories in distinct subPaths.
• Fix issues with postmortem's from different containers overwriting one another
• Add addPostRunContainer to generate postrun container, to monitor running containers.

script changes:

• add container_watch.sh for postrun pod.
• move all options handling into check_executes.sh

code changes:

• code grace time into k8s job file into, so that postjob clearup can also use
• Clear wuid file (prevents spurious error association)

Type of change:

• This change is a bug fix (non-breaking change which fixes an issue).
• This change is a new feature (non-breaking change which adds functionality).
• This change improves the code (refactor or other change that does not change the functionality)
• This change fixes warnings (the fix does not alter the functionality or the generated code)
• This change is a breaking change (fix or feature that will cause existing behavior to change).
• This change alters the query API (existing queries will have to be recompiled)

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Testing:

[github-actions]

Jira Issue: https://hpccsystems.atlassian.net//browse/HPCC-32683

Jirabot Action Result:
Workflow Transition To: Merge Pending
Updated PR

[ghalliday]

Mark I would value you reviewing this change as well.