Use repository variables for non-sensitive fields (#758)

Author: 0x2b3bfa0

.github/workflows/smoke.yml

@@ -43,10 +43,10 @@ jobs:
         provider: [AWS, AZ, GCP]
     concurrency: ${{ github.workflow }}-${{ matrix.provider }}
     env:
-      AZURE_CLIENT_ID: ${{ secrets.AZURE_CLIENT_ID }}
+      AZURE_CLIENT_ID: ${{ vars.AZURE_CLIENT_ID }}
       AZURE_CLIENT_SECRET: ${{ secrets.AZURE_CLIENT_SECRET }}
-      AZURE_TENANT_ID: ${{ secrets.AZURE_TENANT_ID }}
-      AZURE_SUBSCRIPTION_ID: ${{ secrets.AZURE_SUBSCRIPTION_ID }}
+      AZURE_TENANT_ID: ${{ vars.AZURE_TENANT_ID }}
+      AZURE_SUBSCRIPTION_ID: ${{ vars.AZURE_SUBSCRIPTION_ID }}
       GOOGLE_APPLICATION_CREDENTIALS_DATA: ${{ secrets.GOOGLE_APPLICATION_CREDENTIALS_DATA }}
       SMOKE_TEST_ENABLE_${{ matrix.provider }}: true
     steps: