[ruby-cvs:79027] 139f0d90d9 (master): Use actions/checkout for PR (#2804)

"Takashi Kokubun" <[email protected]> Wed, 1 Jan 2020 02:34:39 +0900 (JST)

Newsgroups	gmane.comp.lang.ruby.cvs
Message-ID	<[email protected]>

Takashi Kokubun	2020-01-01 02:34:29 +0900 (Wed, 01 Jan 2020)

  New Revision: 139f0d90d9

  https://github.com/ruby/ruby/commit/139f0d90d9

  Log:
    Use actions/checkout for PR (#2804)

  Modified files:
    .github/workflows/mingw.yml