Describes the cause and action for error messages.
Error Message(English)：
unable to connect to github api
JENKINS-44895Unable to connect to GitHub API - Jenkins JIRA
https://issues.jenkins-ci.org/browse/JENKINS-44895
[JENKINS-44895] Unable to connect to GitHub API - Jenkins JIRA
https://issues.jenkins-ci.org/browse/JENKINS-44895?page=com.atlassian.jira.plugin.system.issuetabpan・・・
jenkinsci/ghprb-plugin - GitHub
https://github.com/jenkinsci/ghprb-plugin/blob/master/src/main/java/org/jenkinsci/plugins/ghprb/Ghpr・・・