[llvm] [BOLT][AArch64] Allow binary-analysis and heatmap tool to run with pac-ret binaries (PR #136664)

[Paschalis Mpeis via llvm-commits]

https://github.com/paschalis-mpeis approved this pull request.

Hey Gergely,

Thanks for fixing the tests. Essentially now the error handling of `OpNegateRAState` is explicit. And your upcoming work will add support through a flag:
- #120064

https://github.com/llvm/llvm-project/pull/136664