Remove pidfile_workaround and instead use unsupported_puppetserver

This at least tests the agent on EL8.

Author: ekohl

.github/workflows/ci.yml

@@ -14,6 +14,5 @@ jobs:
     name: Puppet
     uses: voxpupuli/gha-puppet/.github/workflows/beaker.yml@v2
     with:
-      pidfile_workaround: 'true'
       rubocop: false
       cache-version: '1'

.sync.yml

@@ -1,6 +1,4 @@
 ---
-.github/workflows/ci.yml:
-  pidfile_workaround: true
 Gemfile:
   extra:
     - gem: hocon

spec/support/acceptance/puppetserver.rb

@@ -2,6 +2,9 @@ def unsupported_puppetserver
   case host_inventory['facter']['os']['name']
   when 'Archlinux'
     true
+  when 'CentOS'
+    # puppetserver uses PIDFile
+    default[:hypervisor] == 'docker'
   when 'Fedora'
     true
   when 'Debian'