Enable bionic-cuda10.2-cudnn7-py3.9-gcc7 in GHA (#60204)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/60204
Test Plan: Imported from OSS
Reviewed By: malfet
Differential Revision: D29430679
Pulled By: samestep
fbshipit-source-id: 9380f5535cd370ec7aabf609a6170c8cb4df505d
