Increasing the version of Go used in the build

## Prerequisites

* [x] I searched to see if the issue already exists.

## Description

Hi&#128075;&#65281;
The CLI using the features of the newer version than Go1.13 is not buildable, so it's time to raise the version.


https://github.com/tj/gobinaries#faq
>Which version of Go is used?
>Currently Go 1.13.x via the official golang:1.13 Docker image.

