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

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

Author: TheMeier

README.md

@@ -1,6 +1,6 @@
 # Node.js module for Puppet
 
-[![Build Status](https://travis-ci.org/voxpupuli/puppet-nodejs.png?branch=master)](https://travis-ci.org/voxpupuli/puppet-nodejs)
+![Build Status](https://github.com/voxpupuli/puppet-nodejs/actions/workflows/ci.yml/badge.svg?branch=master)
 [![Code Coverage](https://coveralls.io/repos/github/voxpupuli/puppet-nodejs/badge.svg?branch=master)](https://coveralls.io/github/voxpupuli/puppet-nodejs)
 [![Puppet Forge](https://img.shields.io/puppetforge/v/puppet/nodejs.svg)](https://forge.puppetlabs.com/puppet/nodejs)
 [![Puppet Forge - downloads](https://img.shields.io/puppetforge/dt/puppet/nodejs.svg)](https://forge.puppetlabs.com/puppet/nodejs)