Update CHANGES_NEXT_RELEASE with sinon dependency
Update CHANGES_NEXT_RELEASE with sinon dependency

telefonicaid/iotagent-json,telefonicaid/iotagent-mqtt,telefonicaid/iotagent-mqtt,telefonicaid/iotagent-json,telefonicaid/iotagent-mqtt,telefonicaid/iotagent-json