[clang] [PAC][clang] Add `-faarch64-jump-table-hardening` driver flag (PR #113149)

[Daniil Kovalev via cfe-commits]

kovdan01 wrote:

* **#113150** <a href="https://app.graphite.dev/github/pr/llvm/llvm-project/113150?utm_source=stack-comment-icon" target="_blank"><img src="https://static.graphite.dev/graphite-32x32-black.png" alt="Graphite" width="10px" height="10px"/></a>
* **#113149** <a href="https://app.graphite.dev/github/pr/llvm/llvm-project/113149?utm_source=stack-comment-icon" target="_blank"><img src="https://static.graphite.dev/graphite-32x32-black.png" alt="Graphite" width="10px" height="10px"/></a> 👈
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https://github.com/llvm/llvm-project/pull/113149