Hayden Panettiere’s estranged mom, Lesley Vogel, is questioning the timing of the “Heroes” star coming out as bisexual as she promotes her new memoir, “This is Me: A Reckoning.” “I do not believe it was being hidden, but there is no historic proof that this is the case,” the former momager told Daily Mail in an interview published Friday. “I do think the timing of this coming out is very interesting.” Hayden Panettiere’s estranged mother, Lesley Vogel (seen above with Panettiere at the 66th Annual Golden Globe Awards after party in 2009), expressed her skepticism regarding the “interesting” timing of Panettiere’s decision to come out as bisexual. Getty Images “I do not believe it was being hidden, but there is no historic proof that this is the case,” Vogel said of her daughter’s sexuality. (Pictured above is Vogel and Panettiere at the Alvin Valley Fall 2007 fashion show).…