doc: remove usage of sre_constants in filter-known-issues.py

sre_constants is an undocumented module that deprecated in python 3.11.
The sre_constants.error exception is also exposed through re.error,
this documented one should be used instead.

Tracked-On: #8425
Signed-off-by: Jiaqing Zhao <jiaqing.zhao@linux.intel.com>
Reviewed-by: Junjie Mao <junjie.mao@intel.com>

doc/scripts/filter-known-issues.py

@@ -36,7 +36,6 @@ import logging
 import mmap
 import os
 import re
-import sre_constants
 import sys
 import traceback
 
@@ -69,7 +68,7 @@ def config_import_file(filename):
                 regex = gd['regex']
                 try:
                     r = re.compile(regex, re.MULTILINE)
-                except sre_constants.error as e:
+                except re.error as e:
                     logging.error("%s: bytes %d-%d: bad regex: %s",
                                   filename, m.start(), m.end(), e)
                     raise