Fix scribe logs (#61675)
Summary:
Related to https://github.com/pytorch/pytorch/issues/61632
This PR adds
- refactoring of scribe related code to scribe.py
- changed the `render_test_results` job to always use the `linux.2xlarge` runner
- if SCRIBE_GRAPHQL_ACCESS_TOKEN is empty, try boto3 instead
Pull Request resolved: https://github.com/pytorch/pytorch/pull/61675
Reviewed By: seemethere
Differential Revision: D29703523
Pulled By: zhouzhuojie
fbshipit-source-id: 829ad3630d3500a498b41aa458ce6539aaeae938
