Add changelog entries from botocore

Author: aws-sdk-python-automation

.changes/next-release/api-change-cloudwatch-29447.json

@@ -0,0 +1,5 @@
+{
+  "type": "api-change",
+  "category": "``cloudwatch``",
+  "description": "[``botocore``] Update cloudwatch client to latest version"
+}

.changes/next-release/api-change-fsx-12433.json

@@ -0,0 +1,5 @@
+{
+  "type": "api-change",
+  "category": "``fsx``",
+  "description": "[``botocore``] This release adds support for deploying FSx for ONTAP file systems in a single Availability Zone."
+}