Update go version

vendor/golang.org/x/vuln/cmd/govulncheck/main.go

@@ -6,6 +6,7 @@ package main
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"os"
 
@@ -23,11 +24,20 @@ func main() {
 	if err == nil {
 		err = cmd.Wait()
 	}
-	switch err := err.(type) {
-	case nil:
-	case interface{ ExitCode() int }:
-		os.Exit(err.ExitCode())
-	default:
+	if err != nil {
+		var e interface{ ExitCode() int }
+		if errors.As(err, &e) {
+			printErrorToStderr := true
+			if _, ok := err.(interface{ ExitCode() int }); ok {
+				// Avoid printing the error to stderr if the exit code error wasn't
+				// wrapped with another error providing context.
+				printErrorToStderr = false
+			}
+			if printErrorToStderr {
+				fmt.Fprintln(os.Stderr, err)
+			}
+			os.Exit(e.ExitCode())
+		}
 		fmt.Fprintln(os.Stderr, err)
 		os.Exit(1)
 	}