FindPython: Restore Python_SITE* values for versions below 3.10

Debian based distributions have a buggy sysconfig package.
So, rely on distutils.sysconfig if python version is less than 3.10.

Fixes: #25135

Modules/FindPython/Support.cmake

@@ -2197,7 +2197,7 @@ if ("Interpreter" IN_LIST ${_PYTHON_PREFIX}_FIND_COMPONENTS)
 
         # retrieve various package installation directories
         execute_process (COMMAND ${_${_PYTHON_PREFIX}_INTERPRETER_LAUNCHER} "${_${_PYTHON_PREFIX}_EXECUTABLE}" -c
-                                 "import sys\ntry:\n   import sysconfig\n   sys.stdout.write(';'.join([sysconfig.get_path('stdlib'),sysconfig.get_path('platstdlib'),sysconfig.get_path('purelib'),sysconfig.get_path('platlib')]))\nexcept Exception:\n   from distutils import sysconfig\n   sys.stdout.write(';'.join([sysconfig.get_python_lib(plat_specific=False,standard_lib=True),sysconfig.get_python_lib(plat_specific=True,standard_lib=True),sysconfig.get_python_lib(plat_specific=False,standard_lib=False),sysconfig.get_python_lib(plat_specific=True,standard_lib=False)]))"
+                                 "import sys\nif sys.version_info >= (3,10):\n   import sysconfig\n   sys.stdout.write(';'.join([sysconfig.get_path('stdlib'),sysconfig.get_path('platstdlib'),sysconfig.get_path('purelib'),sysconfig.get_path('platlib')]))\nelse:\n   from distutils import sysconfig\n   sys.stdout.write(';'.join([sysconfig.get_python_lib(plat_specific=False,standard_lib=True),sysconfig.get_python_lib(plat_specific=True,standard_lib=True),sysconfig.get_python_lib(plat_specific=False,standard_lib=False),sysconfig.get_python_lib(plat_specific=True,standard_lib=False)]))"
                          RESULT_VARIABLE _${_PYTHON_PREFIX}_RESULT
                          OUTPUT_VARIABLE _${_PYTHON_PREFIX}_LIBPATHS
                          ERROR_QUIET)