[clang] [CIR] Upstream non-empty Try block with catch all (PR #165158)

[Amr Hesham via cfe-commits]

AmrDeveloper wrote:

> Can you please split this off into a NFC PR that only introduces the NYI skeleton?

Some of the NYI will not be possible to merge before this PR because they require other features. What I can do is to move the Cleanup and EHScope changes to NFC, and once we merge this PR, I can open another NFC to add the NYI back if that's okay

https://github.com/llvm/llvm-project/pull/165158