[llvm] [llvm-debuginfo-analyzer] Add support for DWARF `DW_AT_byte_size` (PR #139110)

[Carlos Alberto Enciso via llvm-commits]

CarlosAlbertoEnciso wrote:

An additional change: Update the unit test `CommandLineOptionsTest.cpp` to include the new option in `CheckExtendedAttributes`.

https://github.com/llvm/llvm-project/pull/139110