[clang-tools-extra] [clang-tidy][modernize] Replace memmove/memcpy with std::copy (PR #122940)

[via cfe-commits]

maflcko wrote:

What is the status here? There are conflicts for more than a year, so this can't be merged as-is. Should it be closed?

Also, for context, https://clang.llvm.org/extra/clang-tidy/checks/modernize/use-ranges.html (obviously only C++20) exists.

https://github.com/llvm/llvm-project/pull/122940