Commits
Sutou Kouhei authored and Krisztián Szűcs committed 635ae7725ad
ARROW-12374: [CI][C++][cron] Use Ubuntu 20.04 instead of 16.04 Because we dropped support for Ubuntu 16.04. Closes #10021 from kou/ci-cron-remove-ubuntu-16.04 Authored-by: Sutou Kouhei <kou@clear-code.com> Signed-off-by: Krisztián Szűcs <szucs.krisztian@gmail.com>