Update apiref.yml

Author: ondrejmirtes

.github/workflows/apiref.yml

@@ -42,7 +42,7 @@ jobs:
         run: "cp apigen/favicon.png docs/favicon.png"
 
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v2
+        uses: actions/upload-pages-artifact@v3
         with:
           path: 'docs'
 
@@ -63,4 +63,4 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v2
+        uses: actions/deploy-pages@v4