Add changelog entries from botocore

Author: aws-sdk-python-automation

.changes/next-release/api-change-cleanrooms-61600.json

@@ -0,0 +1,5 @@
+{
+  "type": "api-change",
+  "category": "``cleanrooms``",
+  "description": "[``botocore``] This release adds support for updating the analytics engine of a collaboration."
+}

.changes/next-release/api-change-sagemaker-68368.json

@@ -0,0 +1,5 @@
+{
+  "type": "api-change",
+  "category": "``sagemaker``",
+  "description": "[``botocore``] Added tagging support for SageMaker notebook instance lifecycle configurations"
+}