fixes bug to write binary files in release action

Author: neatc0der

.build/mkdocs_markmap_build/common.py

@@ -59,7 +59,7 @@ def get_assets_from_release(self) -> List[str]:
                 sys.exit(1)
 
             file_path: Path = DIST_PATH / asset.name
-            with open(file_path) as fp:
+            with open(file_path, 'wb') as fp:
                 fp.write(response.data)
 
             assets.append(str(file_path))