ci: pass Entra (Azure) secrets to deploy playbooks (#16)

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

.github/workflows/deploy-prod.yml

@@ -30,4 +30,8 @@ jobs:
             -i infra/production/hosts.ini \
             -e "ansible_ssh_private_key_file=~/.ssh/deploy_key" \
             -e "anthropic_api_key=${{ secrets.ANTHROPIC_API_KEY }}" \
+            -e "entra_tenant_id=${{ secrets.ENTRA_TENANT_ID }}" \
+            -e "entra_client_id=${{ secrets.ENTRA_CLIENT_ID }}" \
+            -e "entra_client_secret=${{ secrets.ENTRA_CLIENT_SECRET }}" \
+            -e "entra_admin_emails=${{ secrets.ENTRA_ADMIN_EMAILS }}" \
             infra/production/site/deploy-playbook.yml