[C++] Bundled Protobuf misses in libarrow_bundled_dependencies

[kou]

Describe the bug, including details regarding any error messages, version, and platform.

We need to update ARROW_BUNDLED_STATIC_LIBS in the parent scope here:

arrow/cpp/cmake_modules/ThirdpartyToolchain.cmake

Line 1977 in 727106f

list(APPEND ARROW_BUNDLED_STATIC_LIBS protobuf::libprotobuf)

Related: GH-48183

Component(s)

C++

[kou]

Issue resolved by pull request 48726
#48726