[lldb] [llvm] [LLDB][Minidump] Fix ProcessMinidump::GetMemoryRegions to include 64b regions when /proc/pid maps are missing. (PR #101086)

[Jacob Lalonde via llvm-commits]

Jlalond wrote:

@labath Would you mind if I added you as a reviewer for the `Obj2Yaml` changes for minidump?

https://github.com/llvm/llvm-project/pull/101086