One L5 unwilling to update

Only two under properly maintained installation, I think. Screenshot from above shows:

[installed,local]
and therefore about to be auto-removed (not useful any more). I’ve noted this already here: Two kernels installed: 5.16 and 5.17 with: sudo dpkg -l | grep linux-image | grep ^rc would show which Kernel is about to be purged with: sudo apt autoremove.