[llvm] [LLVM] Update inlining maintainers (PR #120579)

[Nikita Popov via llvm-commits]

nikic wrote:

> I'd suggest adding @kazutakahirata as well.

Done. I've added "module inliner and inline order" as the focus area -- does that sound correct?

https://github.com/llvm/llvm-project/pull/120579