doc: add LJHarb to collaborators · nodejs/node@dd14b80

Original file line number	Diff line number	Diff line change
`@@ -379,6 +379,8 @@ For information about the governance of the Node.js project, see`
`379`	`379`	`Nitzan Uziely <<linkgoron@gmail.com>>`
`380`	`380`	`* [LiviaMedeiros](https://github.com/LiviaMedeiros) -`
`381`	`381`	`LiviaMedeiros <<livia@cirno.name>>`
	`382`	`+* [ljharb](https://github.com/ljharb) -`
	`383`	`+Jordan Harband <<ljharb@gmail.com>>`
`382`	`384`	`* [lpinca](https://github.com/lpinca) -`
`383`	`385`	`Luigi Pinca <<luigipinca@gmail.com>> (he/him)`
`384`	`386`	`* [lukekarrys](https://github.com/lukekarrys) -`