try fix Cgal setup

Author: vincentchabannes

cmake/importDependenciesHelpers.cmake

@@ -184,6 +184,9 @@ macro(importDependency_LIBZIP _useSystem _target_dependencies _target_definition
   if ( ${_useSystem} )
     find_package(libzip REQUIRED)
   else()
+    # disable these variables (unfortunately impact other project as Cgal)
+    option(BUILD_EXAMPLES "Build examples" OFF)
+    option(BUILD_DOC "Build documentation" OFF)
     FetchContent_Declare(libzip GIT_REPOSITORY https://github.com/nih-at/libzip.git GIT_TAG v1.11.4 GIT_SHALLOW ON )
     FetchContent_MakeAvailable(libzip)
   endif()