Update dependencies (#1784)

vendor/modernc.org/memory/mmap_darwin.go

@@ -0,0 +1,19 @@
+// Copyright 2017 The Memory Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:build amd64 || arm64
+// +build amd64 arm64
+
+package memory
+
+import (
+	_ "unsafe"
+)
+
+// Function syscall.mmap for darwin and openbsd calls internal/abi.FuncPCABI0,
+// which is implemented as a compile intrinsic so the code cannot be reused.
+// Using go:linkname directive to link mmapSyscall to syscall.mmap
+
+//go:linkname mmapSyscall syscall.mmap
+func mmapSyscall(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error)