chore: Unify Travis CI process to GitHub Actions

[GitHub pull_request - opened]

alsa-project/alsa-lib pull request #226 was opened from Korilakkuma:

[Travis are now recommending removing the sudo tag](https://blog.travis-ci.com/2018-11-19-required-linux-infrastructure-migration).

Request URL   : https://github.com/alsa-project/alsa-lib/pull/226
Patch URL     : https://github.com/alsa-project/alsa-lib/pull/226.patch
Repository URL: https://github.com/alsa-project/alsa-lib