Add a name to the GHA beaker test matrix

Adding a name means the GHA job can use ${{ matrix.name }} instead of
specific properties. This means puppet_metadata is in control of naming
jobs instead of the individual action. It opens the path to other tests.
For example, beaker supports multiple suites. Those could run as
individual entries and reported.

lib/puppet_metadata/github_actions.rb

@@ -81,6 +81,7 @@ def github_action_test_matrix
         next if puppet_version_below_minimum?(puppet_version[:value])
 
         matrix_include << {
+          name: "#{puppet_version[:name]} - #{setfile[1]}",
           setfile: {
             name: setfile[1],
             value: setfile[0],