[Feature] Add a version upgrade instruction to the go executable file

[ggdream]

Hello, the official team. I have been learning golang for two years now, and I am willing to upgrade to the latest stable version of gopher as soon as possible. So far, the upgrade instructions on the map for each new version released on official Twitter are similar to:

go install golang.org/dl/go1.17.2@latest
go1.17.2 download

If you want to change the installation location, you must modify the source code by the developer. This operation is very troublesome, so every time I delete the original GOROOT, and then unzip the new version to the original GOROOT directory.

In summary, I think if we can add a command such as go upgrade? We all have default or customized GOROOT, so we can directly overwrite the new file to the GOROOT directory when upgrading.

e.g.

go upgrade

# output:
# Your GOROOT is : ....
# Process: ....
# Finished it !!
# ${version} is installed in ${GOROOT}

[seankhliao]

Duplicate of #27700