chore: Add link to GitHub Actions

alsa-project/alsa-lib pull request #225 was opened from Korilakkuma:

This PR enables to transition GitHub Actions by clicking badge.

Request URL : https://github.com/alsa-project/alsa-lib/pull/225 Patch URL : https://github.com/alsa-project/alsa-lib/pull/225.patch Repository URL: https://github.com/alsa-project/alsa-lib