.github: Add render_test_results job (#57472)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/57472
This render should put us with some feature parity to the CircleCI web UI renders for j(x)unit test reports, should make it so you don't have to look through a long list of logs to see what tests failed for which job
Render should look somewhat similar to
![image](https://user-images.githubusercontent.com/1700823/116908744-1bb4b980-abf8-11eb-904c-e93ea4d2f805.png)
Signed-off-by: Eli Uriegas <eliuriegas@fb.com>
Test Plan: Imported from OSS
Reviewed By: samestep
Differential Revision: D28154513
Pulled By: seemethere
fbshipit-source-id: 02d918b5c4cb6e236b806db48c3debe44de69660