[clang] [llvm] [MC/DC][Coverage] Loosen the limit of NumConds from 6 (PR #82448)

[Alan Phipps via cfe-commits]

https://github.com/evodius96 approved this pull request.

LGTM but I'd like to see if @ornata or others can definitively approve.

Thanks for this work! Comprehensively I think LLVM MC/DC is really good, and there's still more we can do.

https://github.com/llvm/llvm-project/pull/82448