Copied Puppet Agent version 3.8.7 to correct publisher. (#7075)

* Moved Puppet Agent version 3.8.7 to correct publisher.

* Readded old manifest.

manifests/Puppet/puppet-agent/3.8.7.0.yaml

@@ -0,0 +1,17 @@
+Id: Puppet.puppet-agent
+Publisher: PupppetLabs
+Name: Puppet Agent
+Version: 3.8.7.0
+License: Apache 2.0
+InstallerType: msi
+LicenseUrl: https://github.com/puppetlabs/puppet/blob/master/LICENSE
+AppMoniker: puppet
+Tags:  puppet, pe, puppetlabs
+Description: Puppet is a tool that helps you manage and automate the configuration of servers.
+Homepage: https://puppet.com/
+Installers:
+  - Arch: x64
+    InstallerType: msi
+    Url: https://downloads.puppetlabs.com/windows/puppet-3.8.7.msi
+    Sha256: 6CDDBC4341D285766D4B2AB9C1D5008036C5EA702146BC94423CA945160BC9CE
+