title: Unable to download Go packages from GitHub
body: <p>I'm getting below error while downloading.</p>
  <p><strong>go get github.com/go-sql-driver/mysql: module github.com/go-sql-driver/mysql: Get &quot;https://proxy.golang.org/github.com/go-sql-driver/mysql/@v/list&quot;: x509: certificate signed by unknown authority</strong></p>
  <p><strong>Go version - 1.13/1.15(tried both)</strong>
  <strong>OS - Ubuntu 18
  Tried update ca-certificates as well</strong></p>
  <p>Can anyone help me out?</p>