[llvm] [CI] include utils in monolithic scripts (PR #158090)

[Aiden Grossman via llvm-commits]

boomanaiden154 wrote:

So this will break everyone who sets `LLVM_ENABLE_EXAMPLES=ON` but not `LLVM_INSTALL_UTILS=ON`? That kind of seems like a problem.

https://github.com/llvm/llvm-project/pull/158090