Daphne and the Duke may be happily married, but luckily for Lady Whistledown, the ton is never short on relationship drama. The second season of Netflix’s hit “Bridgerton,” which returned Friday, finds eldest Bridgerton brother Anthony (Jonathan Bailey) ready to settle down — or whatever his version of that looks like — with a wife like he was literally born to do. With his eye set on newcomer Edwina Sharma (Charithra Chandran), Anthony finds himself squaring off against her older sister Kate (“Sex Education” alum Simone Ashley), who only wants what’s best for her sister, or so she says. Set t…