fix: allow use k8s.pod.name to find pod ip

[taloric]

This PR is for:

• Server

Fixes when use otel_import with original k8s.pod.name

Steps to reproduce the bug

Changes to fix the bug

• ref: https://github.com/open-telemetry/opentelemetry-collector-contrib/blob/HEAD/processor/k8sattributesprocessor/documentation.md
• when use k8s.pod.name as span.attribute, allow to find pod.ip by agent + epc

Affected branches

• main