Bump to go 1.13.8
What does this MR do?
Bump to go 1.13.8
Why was this MR needed?
To stay up to date to the latest versions of Go.
Changelog: https://github.com/golang/go/issues?q=milestone%3AGo1.13.8+label%3ACherryPickApproved 8cef0705
Bump to go 1.13.8
To stay up to date to the latest versions of Go.
Changelog: https://github.com/golang/go/issues?q=milestone%3AGo1.13.8+label%3ACherryPickApproved 8cef0705