[clang] [clang][Sema] Fix false positive -Wshadow with structured binding captures (PR #157667)

[Ivan Murashko via cfe-commits]

ivanmurashko wrote:

> LGTM if PR description is updated.

Ah, I forgot to update the PR description, that was just fixed

https://github.com/llvm/llvm-project/pull/157667