Merge pull request #817 from puppetlabs/puppet9_prep

(maint) Upgrade to latest puppet 8.x agents

Author: joshcooper

acceptance/tests/test_upgrade_puppet7_to_puppet8.rb

@@ -6,7 +6,8 @@
 test_name 'puppet_agent class: Upgrade agents from puppet7 to puppet8' do
   require_master_collection 'puppet8-nightly'
   exclude_pe_upgrade_platforms
-  latest_version = `curl https://builds.delivery.puppetlabs.net/passing-agent-SHAs/puppet-agent-main-version`
+  latest_version = `curl https://builds.delivery.puppetlabs.net/passing-agent-SHAs/puppet-agent-8.x-version`
+  logger.info("Using latest puppet-agent-8.x #{latest_version}")
 
   puppet_testing_environment = new_puppet_testing_environment