[clang] [UBSan] Implement src:*=sanitize for UBSan (PR #140529)

[Vitaly Buka via cfe-commits]

vitalybuka wrote:

llvm-project/clang/docs/SanitizerSpecialCaseList.rst needs to be updated

And nice to mention in llvm-project/clang/docs/ReleaseNotes.rst

https://github.com/llvm/llvm-project/pull/140529