chore(deps): update actions/upload-pages-artifact action to v4

Author: text-html-renovate[bot]

.github/workflows/documentation.yml

@@ -47,7 +47,7 @@ jobs:
         run: ./tools/apigen/apigen
 
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v3
+        uses: actions/upload-pages-artifact@v4
         with:
           path: 'docs'