The error message you're seeing indicates that the Kubernetes client is unable to execute a POST request due to an authorization issue. This could be because the service account configured for Airbyte doesn't have the necessary permissions. This issue has been reported in the past on the Airbyte Github page. For example, in [issue #38461](
https://github.com/airbytehq/airbyte/issues/38461), a user encountered a similar error message indicating that the service account may have been revoked or doesn't have access. Unfortunately, the knowledge sources provided do not include a specific solution to this problem. However, you might want to check the permissions of the service account that Airbyte is using in your Kubernetes cluster. Ensure that it has the necessary permissions to create and manage pods. If you continue to encounter issues, consider reaching out to the Airbyte community on [Slack](
https://slack.airbyte.com/) for further assistance as suggested in the [Airbyte documentation](
https://docs.airbyte.com/deploying-airbyte/on-azure-vm-cloud-shell#troubleshooting).