Merge branch 'zarr-write' of github.com:davidhassell/cf-python into zarr-write

Author: davidhassell

Changelog.rst

@@ -3,8 +3,7 @@ Version NEXTVERSION
 
 **2026-01-??**
 
-* Write Zarr v3 datasets with `cf.write`, and allow the reading of
-  grouped Zarr v2 and v3 datasets with `cf.read`
+* Write Zarr v3 datasets with `cf.write`
   (https://github.com/NCAS-CMS/cf-python/issues/895)
 * Read Zarr v2 and v3 datasets that contain a group hierarchy with
   `cf.read` (https://github.com/NCAS-CMS/cf-python/issues/894)