Chore(ci): Fix usage of env variables in e2e pipeline

.github/workflows/e2e.yml

@@ -10,6 +10,8 @@ on:
 
 env:
   NODE_ENV: testing
+  PR_NUMBER: ${{ github.event.pull_request.number }}
+  NETLIFY_MAIN_URL: 'https://spirit-design-system.netlify.app/'
 
 jobs:
   haslabel:
@@ -36,10 +38,7 @@ jobs:
     timeout-minutes: 60
 
     env:
-      NETLIFY_MAIN_URL: 'https://spirit-design-system.netlify.app/'
-      NETLIFY_DEPLOY_PREVIEW_URL: 'https://deploy-preview-${{ github.event.pull_request.number }}--spirit-design-system.netlify.app/'
-      # fallback to main url if the main branch is deployed
-      NETLIFY_DEPLOYED_URL: ${{ github.event.pull_request.number && env.NETLIFY_DEPLOY_PREVIEW_URL || env.NETLIFY_MAIN_URL }}
+      NETLIFY_DEPLOY_PREVIEW_URL: 'https://deploy-preview-$PR_NUMBER--spirit-design-system.netlify.app/'
 
     steps:
       - uses: actions/checkout@v4
@@ -72,6 +71,8 @@ jobs:
         with:
           args: yarn playwright test
         env:
+          # fallback to main url if the main branch is deployed
+          NETLIFY_DEPLOYED_URL: ${{ env.PR_NUMBER && env.NETLIFY_DEPLOY_PREVIEW_URL || env.NETLIFY_MAIN_URL }}
           WEBSITE_URL: ${{ steps.get-netlify-preview-url.outcome == 'success' && steps.get-netlify-preview-url.outputs.url || env.NETLIFY_DEPLOYED_URL }}
 
       - uses: actions/upload-artifact@v4