[workflows] upload-page-artifacts v2 -> v3

Author: k4lipso

.github/workflows/build_documentation.yml

@@ -48,10 +48,10 @@ jobs:
       - run: NIXPKGS_ALLOW_INSECURE=1 nix build .#docs --show-trace --impure
 
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v2
+        uses: actions/upload-pages-artifact@v3
         with:
           path: "result/share/doc"
 
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v2
+        uses: actions/deploy-pages@v4