[llvm-branch-commits] [clang] [analyzer][docs] CSA release notes for clang-20 (PR #124798)

[Balazs Benics via llvm-branch-commits]

steakhal wrote:

Rebased to target the recently split release/20.x.
No changes were made to the content of the PR.

https://github.com/llvm/llvm-project/pull/124798