Update durabletask/task.py

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: andystaples

durabletask/task.py

@@ -264,8 +264,8 @@ def new_uuid(self) -> str:
 
         The default implementation of this method creates a name-based UUID
         using the algorithm from RFC 4122 §4.3. The name input used to generate
-        this value is a combination of the orchestration instance ID and an
-        internally managed sequence number.
+        this value is a combination of the orchestration instance ID, the current UTC datetime,
+        and an internally managed counter.
 
         Returns
         -------