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

[Baranov Victor via cfe-commits]

https://github.com/vbvictor approved this pull request.

LGTM.
You should place verb in commit message in front so that the whole message would be like a sentence:
"Update 'confusables.txt' in 'misc-confusable-identifiers'"
That is the usual way of naming in LLVM (see other open PRs)

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