Build Tools: Switch to Node 10.13.0.

Now that Node 10 is the LTS branch, with 10.13.0 as the first LTS release, let's use that for building WordPress.

Merges [43853] from the 5.0 branch to trunk.

Props pento.
See #45241.

Built from https://develop.svn.wordpress.org/trunk@44219


git-svn-id: https://core.svn.wordpress.org/trunk@44049 1a063a9b-81f0-0310-95a4-ce76da25c4cd