Backport of [NET-5574] Update Go version to 1.20.8 into release/1.16.x#18763

hc-github-team-consul-core merged 1 commit intorelease/1.16.xhashicorp/consul:release/1.16.xfrom

backport/zalimeni/net-5574-bump-go-1.20.8/amazingly-smooth-sharkhashicorp/consul:backport/zalimeni/net-5574-bump-go-1.20.8/amazingly-smooth-sharkCopy head branch name to clipboard