Add new group by fields to alert document for APM Error count threshold rule

[benakansara]

Add following fields to alert document:

• service.version
• service.runtime.version
• service.node.name
• kubernetes.pod.name
• container.id

Dependency

• https://github.com/elastic/kibana/issues/152991

[elasticmachine]

Pinging @elastic/actionable-observability (Team: Actionable Observability)