[Vulkan] Switch to Image2D for Convolution biases (#57201)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/57201
Test Plan: Imported from OSS
Reviewed By: IvanKobzarev
Differential Revision: D28293602
Pulled By: SS-JIA
fbshipit-source-id: 7f9691ea9e8e2505616ee7cefc0a1f3fe4bf95e7
