build(deps): bump github.com/aws/aws-sdk-go-v2/feature/dynamodb/attributevalue from 1.13.19 to 1.13.20 in /dynamodb

build(deps): bump github.com/aws/aws-sdk-go-v2/feature/dynamodb/attributevalue from 1.13.19 to 1.13.20 in /dynamodb #944