Getty ImagesCharge your Life Alert bracelets and tune your hearing aids, because the forthcoming news is akin to having your age come swinging toward you like a wrecking ball: It is the 40th anniversary of rock legends Bon Jovi. Not that you’d guess it’s been that long by looking at Jon Bon Jovi himself, who appeared, feather-haired and dreamy, at the Television Critics Association conference on Friday.Bon Jovi was there to promote the upcoming docuseries about his life and career, Thank You, Go