(packaging) Update next version to 2.8.10
(packaging) Update next version to 2.8.10

shrug/marionette-collective,shrug/marionette-collective,shrug/marionette-collective,puppetlabs/marionette-collective,puppetlabs/marionette-collective,MikaelSmith/marionette-collective,puppetlabs/marionette-collective,puppetlabs/marionette-collective,puppetlabs/marionette-collective,puppetlabs/marionette-collective,shrug/marionette-collective,MikaelSmith/marionette-collective,MikaelSmith/marionette-collective,shrug/marionette-collective,MikaelSmith/marionette-collective,shrug/marionette-collective,MikaelSmith/marionette-collective,MikaelSmith/marionette-collective