docs(CHANGES): Note refactor of project params

Author: tony

CHANGES

@@ -22,6 +22,22 @@ $ pip install --user --upgrade --pre libvcs
 
   - `run(cmd, ...)` is now `run(args, ...)` to match `Popen`'s convention.
 
+- {issue}`364`: Project classes no longer accept positional arguments. Per [PEP 570].
+
+  Deprecated in >=0.13:
+
+  ```python
+  GitProject('https://github.com/vcs-python/libvcs.git')
+  ```
+
+  New style in >=0.13:
+
+  ```python
+  GitProject(url='https://github.com/vcs-python/libvcs.git')
+  ```
+
+  [pep 570]: https://peps.python.org/pep-0570/
+
 ### What's new
 
 - **Commands**: Experimental command wrappers added ({issue}`346`):