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.
Arrange the rack bone side down in the skillet. Roast the lamb in preheated oven for 12 to 18 minutes, depending on the degree of doneness you want. With a meat thermometer, take a reading in the center of the meat after 10 to 12 minutes and remove the meat, or let it cook longer, to your taste.