Bump github-api dependency to 1.40
Bump github-api dependency to 1.40

Newer versions of github-api change the way you call connectUsingOAuth
to take the full API url. E.g. "https://api.github.com" or
"https://github.enterprise.com/api/v3"

david-crowder/github-oauth-plugin,sethrosenblum/github-oauth-plugin,david-crowder/github-oauth-plugin,jhoblitt/github-oauth-plugin,jhoblitt/github-oauth-plugin,jenkinsci/github-oauth-plugin,jenkinsci/github-oauth-plugin,sethrosenblum/github-oauth-plugin