Fix path syntax in unlighthouse report file

Adjusted the path for unlighthouse reports.

Author: sandroguras

.github/workflows/unlighouse.yml

@@ -39,5 +39,5 @@ jobs:
         if: ${{ !cancelled() }}
         with:
           name: unlighthouse-report
-          path: .unlighthouse/
+          path: ./.unlighthouse
           retention-days: 30