Shota Suzuki

Results 3 issues of Shota Suzuki

Follow-up #1803 It seems we need to update our CodeQL config format so I updated the one. I referred to the config here: https://github.com/github/codeql-action/blob/c5c475188a5645a32fdac3eaf2715b5a8bcb5a94/README.md

See also https://github.com/treasure-data/digdag/pull/1641#issuecomment-932850649 for details.