Commits
François Saint-Jacques authored and Krisztián Szűcs committed 1ce956d44e1
ARROW-6730: [CI] Use GitHub Actions for "C++ with clang 7" docker image Closes #5530 from fsaintjacques/github-action-docker and squashes the following commits: 4bb16ce1a <Sutou Kouhei> Add GitHub Actions 648f2f093 <Sutou Kouhei> Use expression c849d7719 <Sutou Kouhei> Run all tests for push 473c1c2b7 <Sutou Kouhei> GitHub 99a874846 <François Saint-Jacques> Try github action Lead-authored-by: François Saint-Jacques <fsaintjacques@gmail.com> Co-authored-by: Sutou Kouhei <kou@clear-code.com> Signed-off-by: Sutou Kouhei <kou@clear-code.com>