fix(ci): fix tarball path

Author: ClemTheAlien

.github/workflows/ci.yml

@@ -86,7 +86,7 @@ jobs:
         uses: actions/upload-artifact@v4
         with:
           name: build-artifacts
-          path: .next.tar.gz
+          path: ./.next.tar.gz
           retention-days: 7
 
   test: