Add changes for OTA to the changelog (#1561)
Add changes for OTA to the changelog (#1561)


Co-authored-by: Archit Aggarwal <31dac33d2719d80fc5ddded95f51a4aa8a4c5833@amazon.com>
aws/aws-iot-device-sdk-embedded-C,aws/aws-iot-device-sdk-embedded-C,aws/aws-iot-device-sdk-embedded-C