rename all foo_iterate APIs to foo_new_iterator

Avoids confusion with LUA iterate API
2 jobs for iterator-rename in 1 minute and 21 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Container
passed #7126882
container_fedora

00:00:26

 
  Build
passed #7126883
build_on_fedora

00:00:55