Add changelog entries from botocore

Author: aws-sdk-python-automation

.changes/next-release/api-change-connectparticipant-23832.json

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+{
+  "type": "api-change",
+  "category": "``connectparticipant``",
+  "description": "[``botocore``] This release adds a new boolean attribute - Connect Participant - to the CreateParticipantConnection API, which can be used to mark the participant as connected."
+}

.changes/next-release/api-change-ec2-8568.json

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+{
+  "type": "api-change",
+  "category": "``ec2``",
+  "description": "[``botocore``] Added new read-only DenyAllIGWTraffic network interface attribute. Added support for DL1 24xlarge instances powered by Habana Gaudi Accelerators for deep learning model training workloads"
+}

.changes/next-release/api-change-ecs-62106.json

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+{
+  "type": "api-change",
+  "category": "``ecs``",
+  "description": "[``botocore``] Amazon ECS now supports running Fargate tasks on Windows Operating Systems Families which includes Windows Server 2019 Core and Windows Server 2019 Full."
+}

.changes/next-release/api-change-gamelift-8806.json

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+{
+  "type": "api-change",
+  "category": "``gamelift``",
+  "description": "[``botocore``] Added support for Arm-based AWS Graviton2 instances, such as M6g, C6g, and R6g."
+}

.changes/next-release/api-change-sagemaker-54729.json

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+{
+  "type": "api-change",
+  "category": "``sagemaker``",
+  "description": "[``botocore``] This release adds support for RStudio on SageMaker."
+}

.changes/next-release/api-change-ssmincidents-87349.json

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+{
+  "type": "api-change",
+  "category": "``ssm-incidents``",
+  "description": "[``botocore``] Updating documentation, adding new field to ConflictException to indicate earliest retry timestamp for some operations, increase maximum length of nextToken fields"
+}