[clang] [clang] Update cxx_dr_status.html (PR #77372)

[Vlad Serebrennikov via cfe-commits]

Endilll wrote:

> Can you modify the commit message to reference the issue list version (113) and maybe link to it ?

I referenced issue list version, but I haven't found a link to this particular version. https://www.open-std.org/jtc1/sc22/wg21/docs/cwg_index.html always points to the most recent version, so it doesn't age well in commit messages

https://github.com/llvm/llvm-project/pull/77372