[gha] build lldb with lzma enabled

[andrurogerz]

Purpose

Add lzma support to the version of lldb built to run lldb tests against ds2. This addition eliminates the following warnings that previously appeared when running the tests on Android:

warning: (x86_64) /home/runner/.lldb/module_cache/remote-android/.cache/27659E9D-B4F4-B4D2-71C0-6A6D79C81CBA/libm.so No LZMA support found for reading .gnu_debugdata section
warning: (x86_64) /home/runner/.lldb/module_cache/remote-android/.cache/32A6676D-6870-2632-466C-E517D9C8E3DF/libdl.so No LZMA support found for reading .gnu_debugdata section
warning: (x86_64) /home/runner/.lldb/module_cache/remote-android/.cache/896BBDB3-DFDF-EF7E-4E56-BCF87BE1517D/libnetd_client.so No LZMA support found for reading .gnu_debugdata section
warning: (x86_64) /home/runner/.lldb/module_cache/remote-android/.cache/1C26B06E-264B-4636-380B-BD604DD436FD/libc++.so No LZMA support found for reading .gnu_debugdata section

Overview

• Install liblzma-dev and lzma-dev packages on Ubuntu systems
• Configure the lldb build with -D LLDB_ENABLE_LZMA=On to include LZMA support.

Validation

Successful CI run: https://github.com/andrurogerz/ds2/actions/runs/13291337750