cmd/govulncheck: update to CL 427896
cmd/govulncheck: update to CL 427896

Change-Id: I0a4a73c9d0b0aff5f1b235b25c62bfd42061b575
Reviewed-on: https://go-review.googlesource.com/c/vuln/+/427902
Reviewed-by: Zvonimir Pavlinovic <490af24f3def1258d2f7e9b10b20e341f6c68320@google.com>
Run-TryBot: Zvonimir Pavlinovic <490af24f3def1258d2f7e9b10b20e341f6c68320@google.com>
Reviewed-by: Damien Neil <7e091e9a80da888fcd7836fd3c6b7b85f4677c12@google.com>
TryBot-Result: Gopher Robot <66cb808b70d30c07676d5e946fee83fd561249e5@golang.org>

golang/vuln,golang/vuln