Joe Alwyn might still be tight-lipped over his split from ex Taylor Swift, but the British actor has finally broken his social media silence just two months before the release of her newest album — largely believed to be inspired by the demise of their love story. The “Favourite” star on Monday shared an Instagram carousel of photos both old and new, two days before ringing in his 32nd birthday. Among the shots in Alwyn’s new post are an artsy, black-and-white mirror selfie among nature, as well as a screenshot of David Brent (Ricky Gervais) in the British version of “The Office,” saying, “Dif…