Fix LLVM-19 build by adding lld-19 linker package

Co-authored-by: jwinarske <12262875+jwinarske@users.noreply.github.com>

Author: Copilot

.github/workflows/ci.yml

@@ -185,6 +185,7 @@ jobs:
               clang-19 \
               llvm-19 \
               llvm-19-dev \
+              lld-19 \
               libc++-19-dev \
               libc++abi-19-dev
           fi