Add description of example for kubectl-wait to catch job status

[pmacius]

Checklist

• Jira Reference (also in PR title):
• README updated after adding/changing behaviour of an action
• Proposed version increment for release:
  • Patch (bugfix)
  • Minor (new feature)
  • Major (breaking changes)
• External PR link where changes has been tested:

Description

[Copilot]

Pull Request Overview

This PR adds documentation for handling Kubernetes Job resources with the kubectl-wait action, addressing the timing issue where Jobs briefly report Ready status before completing.

• Adds explanation of Job-specific timing challenges with kubectl wait
• Provides example workflow for waiting on deployments, statefulsets, and jobs sequentially

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