Fix DeprecationWarning on 3.12 with a datetime adapter for sqlite3

After python/cpython#90016, default adapters and converters
are deprecated.  See also
https://docs.python.org/3.12/library/sqlite3.html#sqlite3-adapter-converter-recipes

IPython/core/history.py

@@ -9,6 +9,7 b' import datetime'
 from pathlib import Path
 import re
 import sqlite3
+import sys
 import threading
 
 from traitlets.config.configurable import LoggingConfigurable
@@ -29,6 +30,14 b' from traitlets import ('
     observe,
 )
 
+
+if sys.version_info >= (3, 12):
+
+    def _adapt_datetime(val):
+        return val.isoformat(" ")
+
+    sqlite3.register_adapter(datetime.datetime, _adapt_datetime)
+
 #-----------------------------------------------------------------------------
 # Classes and functions
 #-----------------------------------------------------------------------------