bugfix ci vault configuration

Author: mwojtyczka

.github/workflows/acceptance.yml

@@ -52,4 +52,4 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           ARM_CLIENT_ID: ${{ secrets.ARM_CLIENT_ID }}
           ARM_TENANT_ID: ${{ secrets.ARM_TENANT_ID }}
-          DATABRICKS_CLUSTER_ID: 1114-152544-29g1w07e # bugfix for a wrong cluster id set in the vault
+          TEST_DEFAULT_CLUSTER_ID: 1114-152544-29g1w07e # bugfix for a wrong cluster id set in the vault