Merge pull request #2487 from DFE-Digital/2041-bigquery-federated-aut…

…h-preprod

[2041] Enable federated auth for Bigquery in preproduction

terraform/application/config/preproduction/variables.tfvars.json

@@ -5,5 +5,6 @@
   "enable_monitoring": false,
   "external_hostname": "preprod.apply-for-qts-in-england.education.gov.uk",
   "namespace": "tra-test",
-  "uploads_storage_environment_tag": "Test"
+  "uploads_storage_environment_tag": "Test",
+  "bigquery_federated_auth": true
 }