[clang][ubsan] Switch UBSAN optimization to `llvm.allow.{runtime,ubsan}.check()` (#84858)

Intrinsic introduced with #84850. Intrinsics improves performance
by 3% comparing to removing traps (on
"test-suite/MultiSource/Benchmarks" with PGO+ThinLTO).

The pass will be renamed with #84853.

RFC:
https://discourse.llvm.org/t/rfc-add-llvm-experimental-hot-intrinsic-or-llvm-hot/77641