[TASK] Make environment name available to E2E tests

Author: donna-belsey-nhs

.github/workflows/stage-5-acceptance.yaml

@@ -24,6 +24,7 @@ jobs:
       TEST_APP_URL: ${{ secrets.TEST_APP_URL }}
       NHS_APP_REDIRECT_LOGIN_URL: ${{ secrets.NHS_APP_REDIRECT_LOGIN_URL }}
       VITA_TEST_USER_PATTERN: ${{ secrets.VITA_TEST_USER_PATTERN }}
+      DEPLOY_ENVIRONMENT: ${{ inputs.environment }}
     steps:
       - name: "Checkout code"
         uses: actions/checkout@v5