fix(build): revert upload artifact version

Signed-off-by: Rachel Yordán <rachelyordan@gmail.com>

Author: kahboom

.github/workflows/nextjs.yml

@@ -80,7 +80,7 @@ jobs:
           NEXT_PUBLIC_REKOR_DEFAULT_DOMAIN: ${{ secrets.NEXT_PUBLIC_REKOR_DEFAULT_DOMAIN }}
 
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v4
+        uses: actions/upload-pages-artifact@v3
         with:
           path: ./out