There's a merged pull request on the void-packages repository

go: update to 1.20.6.
https://github.com/void-linux/void-packages/pull/45081

Description:
#### Testing the changes
- I tested the changes in this PR: **YES**

#### Local build testing
- I built this PR locally for my native architecture, (x86_64)

### CHANGELOG

go1.20.6 (released 2023-07-11) includes a security fix to the net/http package, as well as bug fixes to the compiler, cgo, the cover tool, the go command, the runtime, and the crypto/ecdsa, go/build, go/printer, net/mail, and text/template packages. See the [Go 1.20.6 milestone](https://github.com/golang/go/issues?q=milestone%3AGo1.20.6+label%3ACherryPickApproved) on our issue tracker for details.