Update docs.yml

Author: MinnDevelopment

.github/workflows/docs.yml

@@ -35,7 +35,7 @@ jobs:
         with:
           arguments: javadoc
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v4
+        uses: actions/upload-pages-artifact@v3
         with:
           path: './build/docs/javadoc'
       - name: Deploy to GitHub Pages