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

[Piotr Zegar via cfe-commits]

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

Overall LGTM, consider adding release note entry for modernize-use-std-print (as it were added in previous release)

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