Fix SSH access to `patroni-v12-zfs-01-db-gprd`

Summary

During an incident, it was not possible for SREs to access patroni-v12-zfs-01-db-gprd by SSH.

Related Incident(s)

Originating issue(s): production#6429 (closed)

Desired Outcome/Acceptance criteria

Restore SSH access to production and other groups defined in Chef.

Associated Services

• ServicePostgres

Corrective Action Issue Checklist

• link the incident(s) this corrective action arose out of
• give context for what problem this corrective action is trying to prevent from re-occurring
• assign a severity label (this is the highest sev of related incidents, defaults to 'severity::4')
• assign a priority (this will default to 'priority::4')