Add client support for Redis cluster

vendor/golang.org/x/sys/unix/zsyscall_openbsd_386.s

vendor/golang.org/x/sys/unix/zsyscall_openbsd_amd64.go

vendor/golang.org/x/sys/unix/zsyscall_openbsd_amd64.s

vendor/golang.org/x/sys/unix/zsyscall_openbsd_arm.go

vendor/golang.org/x/sys/unix/zsyscall_openbsd_arm.s

vendor/golang.org/x/sys/unix/zsyscall_openbsd_arm64.go

vendor/golang.org/x/sys/unix/zsyscall_openbsd_arm64.s

vendor/golang.org/x/sys/unix/zsyscall_openbsd_ppc64.go

vendor/golang.org/x/sys/unix/zsyscall_openbsd_ppc64.s

vendor/golang.org/x/sys/unix/zsyscall_openbsd_riscv64.go

vendor/golang.org/x/sys/unix/zsyscall_openbsd_riscv64.s

vendor/golang.org/x/sys/unix/zsyscall_solaris_amd64.go

vendor/golang.org/x/sys/unix/zsysctl_openbsd_ppc64.go

vendor/golang.org/x/sys/unix/zsysctl_openbsd_riscv64.go

vendor/golang.org/x/sys/unix/zsysnum_linux_386.go

vendor/golang.org/x/sys/unix/zsysnum_linux_amd64.go

vendor/golang.org/x/sys/unix/zsysnum_linux_arm.go

vendor/golang.org/x/sys/unix/zsysnum_linux_arm64.go

vendor/golang.org/x/sys/unix/zsysnum_linux_loong64.go

vendor/golang.org/x/sys/unix/zsysnum_linux_mips.go