add changelog entry

Author: Andre Moeller

CHANGELOG.rst

@@ -10,6 +10,7 @@ CHANGELOG
 * bug-fix: tensorflow-serving-api: SageMaker does not conflict with tensorflow-serving-api module version
 * feature: Local Mode: add support for local training data using file://
 * feature: Updated TensorFlow Serving api protobuf files
+* bug-fix: No longer poll for logs from stopped training jobs
 
 1.2.4
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