Refactor plugin name (#996)

docs/npm.md

@@ -134,7 +134,7 @@ Monorepos do not require extra configuration, but release-it handles only one pa
 To bump multiple `package.json` files in a monorepo to the same version, use the
 [@release-it/bumper](https://github.com/release-it/bumper) plugin.
 
-For Yarn workspaces, see the [release-it-yarn-workspaces](https://github.com/rwjblue/release-it-yarn-workspaces) plugin.
+For Yarn workspaces, see the [@release-it-plugins/workspaces](https://github.com/release-it-plugins/workspaces).
 
 ## Miscellaneous