docs: fix plugin author name (#4361)

(cherry picked from commit 4cf679c)

Author: oliversalzburg

packages/gatsby/content/features/plugins.md

@@ -63,7 +63,7 @@ This is just a centralized list of third-party plugins to make discovery easier.
 
 - [**yarn.build**](https://yarn.build/) by [**Owen Kelly**](https://github.com/ojkelly/yarn.build) - monorepo tooling that leverages Yarn's dependency graph to run `build` and `test` on whats changed in parallel as fast as possible. It also includes a command to `bundle` them up into deployable apps for Docker, AWS Lambda, or any other server. Each command is also available as an individual plugin.
 
-- [**package-yaml**](https://github.com/ojkelly/yarn.build#plugin-package-yaml) by [**yarn.build**](https://github.com/ojkelly/yarn.build) - per package opt-in to transparently using `package.yml` instead of `package.json`
+- [**package-yaml**](https://github.com/ojkelly/yarn.build#plugin-package-yaml) by [**Owen Kelly**](https://github.com/ojkelly/yarn.build) - per package opt-in to transparently using `package.yml` instead of `package.json`
 
 - [**licenses**](https://github.com/tophat/yarn-plugin-licenses) by [**Noah Negin-Ulster**](https://noahnu.com/) - audit direct and indirect dependency licenses to ensure compliance