Update 0.1.5 -> 0.1.6

cmake/PybindModuleCreation.cmake

-function(generate_python_binding pybind_module_name target_to_bind) 
+function(generate_python_binding pybind_module_name target_to_bind)
     add_definitions(-DPYBIND)
     Include(FetchContent)
 
-    set(PYBIND_VERSION v2.10.4)
+    set(PYBIND_VERSION v2.13.6)
     set(PYBIND11_FINDPYTHON ON)
     message(STATUS "Retrieving pybind ${PYBIND_VERSION} from git")