**Description**

It would be useful to have labels being a templated field in KubernetesPodOperator, in order for example, to be able to identify pods by run_id when there are multiple concurrent dag runs.
airflow/providers/cncf/kubernetes/operators/kubernetes_pod.py
#
#
"""Executes task in a Kubernetes POD"""
import re
from typing import Dict, Iterable, List, Optional, Tuple, Any
import yaml
from kubernetes.client import CoreV1Api
from kubernetes.client import models as k8s
from airflow.exceptions import AirflowException
from airflow.kubernetes import kube_client, pod_generator, pod_launcher
from airflow.kubernetes.secret import Secret
from airflow.models import BaseOperator
from airflow.utils.decorators import apply_defaults
from airflow.utils.helpers import validate_key
from airflow.utils.state import State
from airflow.version import version as airflow_version
from airflow.kubernetes.pod_generator import PodGenerator
class KubernetesPodOperator(BaseOperator):