This release includes:
- `dsub`
- Update version of cloudsdk docker image and revert workaround for `gsutil`/`gcloud` auth token bug on GCE, which should now be fixed in the updated image.
- Update `google-auth` to 1.18.0 and pin `google-api-core` to 1.21.0
- Remove leading characters that are not a letter, number, or underscore when auto-creating a `job-name` from a command string.
- Move `google_v2` arguments to `google_common` in the `--help` text.
- Add a section in the documentation for Google provider-specific command-line flags.
- Remove support/tests for legacy `local` provider job metadata file
- Testing updates:
- Re-enable the test `e2e_errors.sh` for all providers.
- Add unit test for retrying BrokenPipeError
- Fix ResourceWarning when running python unit tests.