ci: configure GCP workload identity

Author: lacdonlang

.github/workflows/docker-image.yml

@@ -28,9 +28,9 @@ concurrency:
   cancel-in-progress: true
 
 env:
-  CI_GCP_PROJECT_ID: ${{ secrets.CI_GCP_PROJECT_ID }}
-  CI_GCP_SERVICE_ACCOUNT: ${{ secrets.CI_GCP_SERVICE_ACCOUNT }}
-  CI_GCP_WORKLOAD_IDENTITY_PROVIDER: ${{ secrets.CI_GCP_WORKLOAD_IDENTITY_PROVIDER }}
+  CI_GCP_PROJECT_ID: analog-stage-198105
+  CI_GCP_SERVICE_ACCOUNT: gh-actions@analog-stage-198105.iam.gserviceaccount.com
+  CI_GCP_WORKLOAD_IDENTITY_PROVIDER: projects/453614194473/locations/global/workloadIdentityPools/gh-pool/providers/gh-pool-provider
   IMAGE_NAME: gcr.io/analog-stage-198105/luxor-qbit-explorer
 
 jobs: