Add changelog entries from botocore

Author: aws-sdk-python-automation

.changes/next-release/api-change-emr-14542.json

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

.changes/next-release/api-change-rds-8022.json

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+{
+  "type": "api-change",
+  "category": "``rds``",
+  "description": "[``botocore``] Amazon Relational Database Service (RDS) updates for the new Aurora I/O-Optimized storage type for Amazon Aurora DB clusters"
+}

.changes/next-release/api-change-swf-32098.json

@@ -0,0 +1,5 @@
+{
+  "type": "api-change",
+  "category": "``swf``",
+  "description": "[``botocore``] This release adds a new API parameter to exclude old history events from decision tasks."
+}