Use Ubuntu 22.04 on GH Actions
Use Ubuntu 22.04 on GH Actions

The 18.04 image is deprecated and will soon be removed, see
https://github.blog/changelog/2022-08-09-github-actions-the-ubuntu-18-04-actions-runner-image-is-being-deprecated-and-will-be-removed-by-12-1-22/

twingly/twingly-url_cache,twingly/twingly-url_cache