Bump extend from 3.0.1 to 3.0.2 in /src/currencyservice (#312)
Bump extend from 3.0.1 to 3.0.2 in /src/currencyservice (#312)


GoogleCloudPlatform/microservices-demo,GoogleCloudPlatform/microservices-demo,GoogleCloudPlatform/microservices-demo,GoogleCloudPlatform/microservices-demo,GoogleCloudPlatform/microservices-demo,GoogleCloudPlatform/microservices-demo,GoogleCloudPlatform/microservices-demo