PYTHON-5859 Fix link for Intelligent Workload Management (#2844)

Author: blink1073

doc/changelog.rst

@@ -15,7 +15,7 @@ PyMongo 4.17 brings a number of changes including:
   See the `Transactions docs <https://www.mongodb.com/docs/languages/python/pymongo-driver/current/crud/transactions/#methods>`_ for examples and more information.
 - Added support for MongoDB's Intelligent Workload Management (IWM) and ingress connection rate limiting features.
   The driver now gracefully handles write-blocking scenarios and optimizes connection establishment during high-load conditions to maintain application availability.
-  See the `IWM <https://www.mongodb.com/docs/atlas/intelligent-workload-management>`_ or `Overload Errors <https://www.mongodb.com/docs/atlas/overload-errors/?interface=driver&language=python>`_ docs for more information.
+  See the `IWM <https://www.mongodb.com/docs/atlas/production-notes>`_ or `Overload Errors <https://www.mongodb.com/docs/atlas/overload-errors/?interface=driver&language=python>`_ docs for more information.
 
 Changes in Version 4.16.0 (2026/01/07)
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