[bug] needs to fix CI for strange duplicated checks in PR

[hsluoyz]

The following duplicated CI checks ran in this open PR: #73

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I think for an open state PR, it should not run "XXX (push)" checks, right? It should run for the git push after PR merge?
Need to fix the CI.

[hsluoyz]

@sagilio @sociometry @AsakusaRinne