fix docs

pennylane_qiskit/qiskit_device.py

@@ -90,7 +90,7 @@ def qiskit_session(device, **kwargs):
 
     .. warning::
 
-        As of the time of writing (Oct 31, 2024), sessions can no longer be used by IBM users on
+        At the time of writing, sessions can no longer be used by IBM users on
         the Open plan. There are also reports of sessions behaving unexpectedly and closing randomly.
         In such event, we recommend referring to the Qiskit Session
         `documentation <https://docs.quantum.ibm.com/api/qiskit-ibm-runtime/qiskit_ibm_runtime.Session>`_.