[clang] [clang] Implement StmtPrinter for EmbedExpr (PR #135957)

[Aaron Ballman via cfe-commits]

https://github.com/AaronBallman commented:

Can fix up the formatting issues found by precommit CI, and the change should also come with a release note.

https://github.com/llvm/llvm-project/pull/135957