Add Job timeout enforcement policy

Placeholder Karthik Manamrequested to merge
github/fork/karthikmanam/main into main

This policy ensures all Kubernetes Jobs have a reasonable timeout set via activeDeadlineSeconds to prevent indefinitely running jobs and resource consumption issues.

Related Issue(s)

Description

  1. It addresses a common operational issue (stuck jobs)
  2. It provides reasonable defaults (1-24 hours)
  3. It's part of resource lifecycle management
  4. It helps prevent resource leaks

Checklist

  • I have read the policy contribution guidelines.
  • I have added test manifests and resources covering both positive and negative tests that prove this policy works as intended.
  • I have added the artifacthub-pkg.yml file and have verified it is complete and correct.

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