Add dep on Accelerate framework to torch podspecs (#88422)
A dep on Accelerate was added in https://github.com/pytorch/pytorch/pull/80449 We need to declare this dep in our podspec, otherwise users will have to add the Accelerate framework to their projects manually.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/88422
Approved by: https://github.com/kimishpatel, https://github.com/malfet
