[clang-tools-extra] [clang-tidy] Fix assert in modernize-use-std-format/print (PR #94104)

[Mike Crowe via cfe-commits]

mikecrowe wrote:

> LGTM

Thanks for the review. Please can you squash and land it for me? I don't have permission to do so.

https://github.com/llvm/llvm-project/pull/94104