[clang-tools-extra] [clang-tidy] `misc-confusable-identifiers`: Update `confusables.txt` (PR #148399)

[Baranov Victor via cfe-commits]

vbvictor wrote:

Is this file taken as-is from some place or crafted by hand? Could you share a source?

https://github.com/llvm/llvm-project/pull/148399