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

[Yanzuo Liu via cfe-commits]

https://github.com/zwuis commented:

Thanks! It looks better.

Please add a release note entry to "clang/docs/ReleaseNotes.rst".

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