Also use vcpkg in combinaiton with conan on ci

CMakeLists.txt

@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.17)
 
 set(MV_EXAMPLES_USE_VCPKG OFF)
-if(DEFINED CMAKE_TOOLCHAIN_FILE AND CMAKE_TOOLCHAIN_FILE MATCHES "vcpkg")
+if(DEFINED VCPKG_TARGET_TRIPLET)
     set(MV_EXAMPLES_USE_VCPKG ON)
     set(VCPKG_LIBRARY_LINKAGE "dynamic" CACHE STRING "Link vcpkg libraries dynamically")
 endif()