Use `version_tuple`

yt_dlp/update.py

@@ -178,14 +178,11 @@ def _get_version_age_warning():
         return None
 
     try:
-        version_parts = __version__.split('.')
+        version_parts = version_tuple(__version__)
         if len(version_parts) < 3:
             return None
 
-        year, month, day = map(int, version_parts[:3])
+        if dt.date(*version_parts[:3]) < dt.date.today() - dt.timedelta(days=90):
-        version_date = dt.date(year, month, day)
-
-        if version_date < dt.date.today() - dt.timedelta(days=90):
             return ('\n         '.join((
                 f'Your yt-dlp version ({__version__}) is older than 90 days!',
                 'It is strongly recommeded to always use the latest versions, as sites regularly change and extractors need to be adjusted.',