audit: fix GitHub repository audit
audit: fix GitHub repository audit

In the data returned from the GitHub API, “watchers_count” is actually the
number of stars.

See https://developer.github.com/v3/activity/starring/#starring-vs-watching

Closes #44477.

Signed-off-by: Xu Cheng <9a05244150b861e40c78843b801eed71bca54eac@me.com>

kwilczynski/homebrew,kwilczynski/homebrew,kwilczynski/homebrew,kwilczynski/homebrew