fix: add environment to workaround Azure subject identifier support i…

…ssue

Reference:
https://stackoverflow.com/questions/71051432/github-actions-azure-oidc-with-subject-value-for-any-branch/71781715#71781715

.github/workflows/deploy.yaml

@@ -16,6 +16,7 @@ permissions:
 jobs:
   build-and-deploy:
     runs-on: ubuntu-18.04
+    environment: Azure
     steps:
       - uses: actions/checkout@v2