Yes, There Are Scenes During and After the “Lightyear” End Credits « Midlife Crisis Crossover!
Lightyear's final post-credits scene, and a possible sequel to come - Polygon
Lightyear: Ending Explained and Post-Credits Check-In - IGN
In the first post-credit scene of Lightyear (2022) you can see the aliens from Toy Story (1996) and the little robot from Burn-e (2008) in the shelves : r/MovieDetails
Disney's Lightyear: Ending And Post-Credits Scenes Explained! - YouTube