Add changelog entries from botocore

Author: aws-sdk-python-automation

.changes/next-release/api-change-rekognition-67251.json

@@ -0,0 +1,5 @@
+{
+  "type": "api-change",
+  "category": "``rekognition``",
+  "description": "[``botocore``] This release adds APIs which support copying an Amazon Rekognition Custom Labels model and managing project policies across AWS account."
+}

.changes/next-release/api-change-servicecatalog-21743.json

@@ -0,0 +1,5 @@
+{
+  "type": "api-change",
+  "category": "``servicecatalog``",
+  "description": "[``botocore``] Documentation updates for Service Catalog"
+}