chore: upload playwright report on error

Author: peterpeterparker

.github/workflows/tests.yml

@@ -125,6 +125,13 @@ jobs:
       - name: E2E tests
         run: npm run e2e:ci
 
+      - uses: actions/upload-artifact@v4
+        if: ${{ !cancelled() }}
+        with:
+          name: playwright-report
+          path: playwright-report/
+          retention-days: 5
+
   may-merge:
     needs: ['tests', 'e2e']
     runs-on: ubuntu-latest