get get -u golang.org/x/tools
go mod tidy

Fixes golang/go#58737

Change-Id: I5c33106d65183b5b5ac5008d7ca532458831f021
Reviewed-on: https://go-review.googlesource.com/c/text/+/471399
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>