chore: Update actions/upload-pages-artifact action to v3.0.1

Author: seqeralabs-renovate[bot]

.github/workflows/deploy-docs.yml

@@ -40,7 +40,7 @@ jobs:
       - run: mkdocs build
 
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v3
+        uses: actions/upload-pages-artifact@56afc609e74202658d3ffba0e8f6dda462b719fa # v3.0.1
         with:
           path: ./site