move Runner to Worker namespace

lib/App/Netdisco/Backend/Role/Poller.pm

@@ -12,7 +12,7 @@ use Time::HiRes 'sleep';
 use App::Netdisco::JobQueue qw/jq_defer jq_complete/;
 
 # add dispatch methods for poller tasks
-with 'App::Netdisco::Backend::Runner';
+with 'App::Netdisco::Worker::Runner';
 
 sub worker_begin { (shift)->{started} = time }
 

lib/App/Netdisco/Worker/Runner.pm

@@ -1,4 +1,4 @@
-package App::Netdisco::Backend::Runner;
+package App::Netdisco::Worker::Runner;
 
 use Dancer ':moose :syntax';
 use Dancer::Factory::Hook;