fixup pages upload action

Author: vszakats

.github/workflows/pages.yml

@@ -35,7 +35,7 @@ jobs:
         run: python -m curl_fuzzer_tools.generate_decoder_html
 
       - name: Upload artifact
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
+        uses: actions/upload-pages-artifact@7b1f4a764d45c48632c6b24a0339c27f5614fb0b # v4.0.0
         with:
           path: docs