chore: Update default start date to January 1, 2040

Push this forward so things don't automatically in a few years for future courses.

Author: feanil

xmodule/course_metadata_utils.py

@@ -15,7 +15,7 @@
 from zoneinfo import ZoneInfo
 
 
-DEFAULT_START_DATE = datetime(2030, 1, 1, tzinfo=ZoneInfo("UTC"))
+DEFAULT_START_DATE = datetime(2040, 1, 1, tzinfo=ZoneInfo("UTC"))
 
 """
 Default grading policy for a course run.