chore: Replace build badges to use GitHub Actions instead of Travis CI

Refs: voxpupuli/modulesync_config#1012, voxpupuli/plumbing#84

Author: TheMeier

README.md

@@ -1,7 +1,7 @@
 # Puppet Archive
 
 [![License](https://img.shields.io/github/license/voxpupuli/puppet-archive.svg)](https://github.com/voxpupuli/puppet-archive/blob/master/LICENSE)
-[![Build Status](https://travis-ci.org/voxpupuli/puppet-archive.png?branch=master)](https://travis-ci.org/voxpupuli/puppet-archive)
+![Build Status](https://github.com/voxpupuli/puppet-archive/actions/workflows/ci.yml/badge.svg?branch=master)
 [![Code Coverage](https://coveralls.io/repos/github/voxpupuli/puppet-archive/badge.svg?branch=master)](https://coveralls.io/github/voxpupuli/puppet-archive)
 [![Puppet Forge](https://img.shields.io/puppetforge/v/puppet/archive.svg)](https://forge.puppetlabs.com/puppet/archive)
 [![Puppet Forge - downloads](https://img.shields.io/puppetforge/dt/puppet/archive.svg)](https://forge.puppetlabs.com/puppet/archive)