the pi doesn't run debian, it runs raspbian, so probably https is not supported on the raspbian repo's. certainly downloading a debian package won't work on the pi. These are specific instructions to install Sonarr on Raspbian.
1 Add lamb and garlic. 2  Stir the lamb to break up, about 5 minutes. 3  Stir in tomato paste and cook for 1 to 2 minutes. 4  Stir in carrots, bell pepper, bay leaf, cumin, salt, black pepper and parsley. 5  Saute until carrots are soft. 6  Add water and bring to a boil. Stir the lamb to break up, about 5 minutes. 2  Stir in tomato paste and cook for 1 to 2 minutes. 3  Stir in carrots, bell pepper, bay leaf, cumin, salt, black pepper and parsley. 4  Saute until carrots are soft. 5  Add water and bring to a boil. 6  Turn heat to low and simmer, covered, about 30 minutes.
Stir together garlic, herbs, salt, pepper, and oil. Coat meaty parts of lamb with herb mixture, pressing to help adhere. Roast 15 minutes, then cover lamb loosely with foil and roast until thermometer inserted diagonally into center of meat registers 120Â°F, 5 to 10 minutes more. Let stand, covered, 10 minutes. (Internal temperature will rise to 125 to 130Â°F for medium-rare while lamb stands.) Cut each rack into 4 double chops.