[lld] [llvm] [WebAssembly] Add segment RETAIN flag to support private retained data (PR #81539)

[Yuta Saito via llvm-commits]

kateinoigakukun wrote:

I'm going to merge this to unblock a few people.
@MaskRay If you have any concerns or feedback, please let us know :pray:

https://github.com/llvm/llvm-project/pull/81539