chore: update docs pipeline's actions

Author: tomasvotava

.github/workflows/docs.yml

@@ -36,7 +36,7 @@ jobs:
         id: pages
         uses: actions/configure-pages@v3
       - name: Upload pages artifact
-        uses: actions/upload-pages-artifact@v2
+        uses: actions/upload-pages-artifact@v3
         with:
           path: ./public
 
@@ -49,4 +49,4 @@ jobs:
     steps:
       - name: Deploy to Github pages
         id: deployment
-        uses: actions/deploy-pages@v2
+        uses: actions/deploy-pages@v4