[clang-tools-extra] [clang-tidy] Fix crashes when analyzing unknown exceptions in bugprone-exception-escape (PR #218067)

[Baranov Victor via cfe-commits]

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

LGTM, one nit to undo all releaseNotes.md

https://github.com/llvm/llvm-project/pull/218067