fix: add missing deployment url on integration test

Author: kneerose

.github/workflows/test_integration_playwright.yml

@@ -231,6 +231,7 @@ jobs:
           GITHUB_TOKEN: ${{ github.token }}
 env:
   HOST_URL: https://${{ github.event.schedule && 'preview.gov.tools' || (inputs.deployment || 'govtool.cardanoapi.io')  }}
+  DEPLOYMENT: ${{ github.event.schedule && 'preview.gov.tools' || inputs.deployment ||  'govtool.cardanoapi.io'}}
   REPORT_NAME: ${{ github.event.schedule && 'nightly-'}}govtool-frontend
   GH_PAGES: ${{vars.GH_PAGES}}
   COMMIT_SHA: ${{ github.event.workflow_run.head_sha || github.sha }}