update(timetable): set timetable-ics to use 2025 start date

timetabling/timetable-ics.py

@@ -11,7 +11,7 @@ from datetime import datetime, timedelta
 from typing import Dict, Generator, Optional, Set
 
 TIMEZONE = "Europe/London"
-BASE_DATE = datetime(2024, 9, 23, 0, 0, 0, 0, pytz.timezone(TIMEZONE))
+BASE_DATE = datetime(2025, 9, 22, 0, 0, 0, 0, pytz.timezone(TIMEZONE))
 BEDFORD = 100 # not a year
 
 CAL_DAYS = [ "MO", "TU", "WE", "TH", "FR", "SA", "SU" ]