### Body

Use stacklevel 2 instead of the default 1:
https://github.com/apache/airflow/blob/b5057e0e1fc6b7a47e38037a97cac862706747f0/airflow/providers/cncf/kubernetes/utils/pod_manager.py#L361-L365

### Committer

- [X] I acknowledge that I am a maintainer/committer of the Apache Airflow project.
"""Read POD information."""
        try:
            return self._client.read_namespaced_pod(pod.metadata.name, pod.metadata.namespace)
        except BaseHTTPError as e:
            raise AirflowException(f"There was an error reading the kubernetes API: {e}")
    def await_xcom_sidecar_container_start(self, pod: V1Pod) -> None:
        self.log.info("Checking if xcom sidecar container is started.")
        for attempt in itertools.count():
            if self.container_is_running(pod, PodDefaults.SIDECAR_CONTAINER_NAME):
                self.log.info("The xcom sidecar container is started.")
                break
            if not attempt:
                self.log.warning("The xcom sidecar container is not yet started.")
            time.sleep(1)
    def extract_xcom(self, pod: V1Pod) -> str:
        """Retrieves XCom value and kills xcom sidecar container."""
        try:
            result = self.extract_xcom_json(pod)
            return result
        finally:
            self.extract_xcom_kill(pod)
    @tenacity.retry(
        stop=tenacity.stop_after_attempt(5),
        wait=tenacity.wait_exponential(multiplier=1, min=4, max=10),
        reraise=True,
    )
    def extract_xcom_json(self, pod: V1Pod) -> str: