Add new job status metrics to values.yaml

[shubhamrai1993]

Note

Low Risk
Low risk config-only change that expands the kube-state-metrics allowlist; impact is limited to increased Prometheus series/cardinality for Job metrics.

Overview
Updates tfy-prometheus-config Helm values.yaml to keep additional Kubernetes Job status metrics from kube-state-metrics by extending the metricRelabelings allowlist (adds kube_job_status_failed, kube_job_status_succeeded, and kube_job_status_completion_time alongside existing Job metrics).

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This PR will be automatically closed as it has been stale for 4 days. Please comment if you feel this is still relevant.