mod: bump golang.org/x/sys from 0.38.0 to 0.40.0#36

dependabot[bot] wants to merge 2 commits intomasterdvyukov/syzkaller:masterfrom

dependabot/go_modules/golang.org/x/sys-0.40.0dvyukov/syzkaller:dependabot/go_modules/golang.org/x/sys-0.40.0Copy head branch name to clipboard