build(deps): bump github.com/aws/aws-sdk-go-v2 from 1.20.3 to 1.21.1 in /instrumentation/github.com/aws/aws-sdk-go-v2/otelaws

build(deps): bump github.com/aws/aws-sdk-go-v2 from 1.20.3 to 1.21.1 in /instrumentation/github.com/aws/aws-sdk-go-v2/otelaws #508