[cmake] CMake config was exporting the wrong python version (#116)

Signed-off-by: Jean-Nicolas Brunet <[email protected]>

Author: jnbrunet

SofaPython3Config.cmake.in

@@ -11,7 +11,7 @@ include(SofaPython3Tools)
 
 # Find Python3 executable and set PYTHON_EXECUTABLE before finding pybind11
 # to be sure that pybind11 relies on the right Python version
-set(python_version @PYBIND11_PYTHON_VERSION@)
+set(python_version @PYTHON_VERSION@)
 set(python_version_flag @python_version_flag@)
 
 find_package(Python ${python_version} ${python_version_flag} COMPONENTS Interpreter Development REQUIRED)