[clang] [clang-format] Add Wrapped option for merging short function body (PR #205934)

[Gedare Bloom via cfe-commits]

gedare wrote:

I don't know how to update the release documentation now. I'll have to come back to figure that out. Otherwise, this is ready for review @HazardyKnusperkeks 

https://github.com/llvm/llvm-project/pull/205934