cmd/link: emit LC_BUILD_VERSION on Mach-O

LC_VERSION_MIN_MACOSX seems deprecated. Emit LC_BUILD_VERSION
instead. Also emit it on darwin/arm64, where it was not emitted
before.

Fixes #45091.

Change-Id: I18fb80d571f681da3bd258e53beb520e68f354bd
Reviewed-on: https://go-review.googlesource.com/c/go/+/312550


Trust: Cherry Zhang <cherryyz@google.com>
Run-TryBot: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>