dnn(tflite): add 3rdparty flatbuffers with pre-generated schema

modules/highgui/CMakeLists.txt

@@ -281,16 +281,7 @@ if(tgts STREQUAL "PRIVATE")
   set(tgts "")
 endif()
 
-# install used dependencies only
-if(NOT BUILD_SHARED_LIBS
-    AND NOT (CMAKE_VERSION VERSION_LESS "3.13.0")  # upgrade CMake: https://gitlab.kitware.com/cmake/cmake/-/merge_requests/2152
-)
-  foreach(tgt in ${tgts})
-    if(tgt MATCHES "^ocv\.3rdparty\.")
-      install(TARGETS ${tgt} EXPORT OpenCVModules)
-    endif()
-  endforeach()
-endif()
+ocv_install_used_external_targets(${tgts})
 
 source_group("Src" FILES ${highgui_srcs} ${highgui_hdrs})
 source_group("Include" FILES ${highgui_ext_hdrs})