Update build_docs.yaml

Author: lufre1

.github/workflows/build_docs.yaml

@@ -44,7 +44,7 @@ jobs:
       run: ls -la doc/
 
     - name: Upload Documentation Artifact
-      uses: actions/upload-pages-artifact@v4
+      uses: actions/upload-pages-artifact@v3
       with:
         # name: documentation
         path: doc/