[llvm] [lldb] Configure pyright to the documented minimum python version (PR #162952)

[David Spickett via llvm-commits]

DavidSpickett wrote:

We are aligned with LLVM, and state 3.8 on our build instructions - https://lldb.llvm.org/resources/build.html#optional-dependencies.

https://github.com/llvm/llvm-project/pull/162952