Update known_translations for contributor names and also fix a small issue in...

Update known_translations for contributor names and also fix a small issue in translate-contributors.py

## What changes were proposed in this pull request?
This PR updates dev/create-release/known_translations to add more contributor name mapping. It also fixes a small issue in translate-contributors.py

## How was this patch tested?
manually tested

Author: Yin Huai <yhuai@databricks.com>

Closes #16423 from yhuai/contributors.