docs(CHANGES): Note revert

Author: tony

CHANGES

@@ -24,6 +24,12 @@ $ pipx install --suffix=@next 'tmuxp' --pip-args '\--pre' --force
 - Add [flake8-bugbear](https://github.com/PyCQA/flake8-bugbear) (#807)
 - Add [flake8-comprehensions](https://github.com/adamchainz/flake8-comprehensions) (#808)
 
+## tmuxp 1.13.x (unreleased)
+
+- Revert v1.13.1's #793 change for now, the behavior behind launching workspace
+  layouts need to be understood clearly. Future releases will decisively solve
+  this issue (#811).
+
 ## tmuxp 1.13.2 (2022-09-10)
 
 ### Bug fixes