[wesnoth-commits] [wesnoth/wesnoth] 6ca9f0: Remove Ubuntu 18.04 CI job.

[Pentarctagon]

  Branch: refs/heads/master
  Home:   https://github.com/wesnoth/wesnoth
  Commit: 6ca9f0969eaa658df0eae7c0b25e714c0f4df5e7
      https://github.com/wesnoth/wesnoth/commit/6ca9f0969eaa658df0eae7c0b25e714c0f4df5e7
  Author: Pentarctagon <pentarctagon at tutamail.com>
  Date:   2021-03-10 (Wed, 10 Mar 2021)

  Changed paths:
    M .github/workflows/ci-main.yml
    R utils/dockerbuilds/CI/Dockerfile-base-1804-master

  Log Message:
  -----------
  Remove Ubuntu 18.04 CI job.

As of the TLS PR, supporting Ubuntu 18.04 will not be possible due to Boost 1.65 not supporting perfect forwarding in ssl stream's constructor.