libphonenumber must be linked with absl::node_hash_set (#2749)

It is used in the library with #2734, and not linking with it
breaks users of the library: https://bugs.debian.org/1008817

Co-authored-by: penmetsaa <penmetsaa@google.com>

cpp/CMakeLists.txt

@@ -477,7 +477,7 @@ endif ()
 # Safeguarding against any potential link errors as mentioned in
 # https://github.com/abseil/abseil-cpp/issues/225
 set(CMAKE_POSITION_INDEPENDENT_CODE TRUE)
-list (APPEND LIBRARY_DEPS absl::strings)
+list (APPEND LIBRARY_DEPS absl::node_hash_set absl::strings)
 list (APPEND COMMON_DEPS absl::synchronization)
 
 if (APPLE)