[workload-orchestration] Bump version to 4.2.0 for November 2025 release (#9444)

Co-authored-by: Atharva <audapure@microsoft.com>

Author: atharvau

src/workload-orchestration/HISTORY.rst

@@ -3,6 +3,10 @@
 Release History
 ===============
 
+4.2.0
+++++++
+* November 2025 release
+
 4.1.0
 ++++++
 * Added currentStage and latestActionTriggeredBy fields in response of below commands:

src/workload-orchestration/setup.py

@@ -10,7 +10,7 @@
 
 
 # HISTORY.rst entry.
-VERSION = '4.1.0'
+VERSION = '4.2.0'
 
 # The full list of classifiers is available at
 # https://pypi.python.org/pypi?%3Aaction=list_classifiers