pybind/mgr: replace imports of distutils.util

In python 3.12 distutils is removed. Replace uses of
distutils.util.strtobool with our own utility function.

Signed-off-by: John Mulligan <[email protected]>

Author: phlogistonjohn

src/pybind/mgr/dashboard/tools.py

@@ -9,9 +9,9 @@
 import time
 import urllib
 from datetime import datetime, timedelta
-from distutils.util import strtobool
 
 import cherrypy
+from ceph.utils import strtobool
 from mgr_util import build_url
 
 from . import mgr

src/pybind/mgr/volumes/fs/operations/pin_util.py

@@ -3,7 +3,7 @@
 import cephfs
 
 from ..exception import VolumeException
-from distutils.util import strtobool
+from ceph.utils import strtobool
 
 _pin_value = {
     "export": lambda x: int(x),