Bump actions/upload-pages-artifact from 2 to 3 (#327)

.github/workflows/docs.yml

@@ -58,7 +58,7 @@ jobs:
           conda activate rocprofiler-docs
           ../scripts/update-docs.sh
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v2
+        uses: actions/upload-pages-artifact@v3
         with:
           path: ./docs