[torchrec] Update GH action

- Update GH action to unblock docs jobs

Author: q10

.github/workflows/docs.yml

@@ -83,7 +83,7 @@ jobs:
         conda run -n build_binary make html
         cd ..
     - name: Upload Built-Docs
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: Built-Docs
         path: docs/build/html/