(maint) Update ps-version to 2.6.1-SNAPSHOT for release
(maint) Update ps-version to 2.6.1-SNAPSHOT for release

puppetlabs/puppetserver,puppetlabs/puppet-server,puppetlabs/puppet-server,puppetlabs/puppetserver,puppetlabs/puppetserver,puppetlabs/puppet-server,puppetlabs/puppetserver