Description

As a Loki administrator I want to configure Loki to using GCP's Workload Identity Federation service to control access to object storage.

Acceptance Criteria

1. The Loki administrator can configure the required parameter for WIF in the gcs_storage_config section

Developer Notes

1. Loki GCS Storage Config Docs
2. Evaluate that Loki works on GCP with WIF using an external serviceacount provided as mentioned in the CCO docs about the credentials-secret
3.