Merge branch 'fix-readme-link' into 'main'

Improve README link from CONTRIBUTING.md

See merge request gitlab-org/developer-relations/contributor-success/contributors-gitlab-com!594

CONTRIBUTING.md

@@ -3,7 +3,7 @@
 We welcome contributions!
 
 Everything you need to get a local development environment up and running can be
-found in [README.md](https://gitlab.com/gitlab-org/developer-relations/contributor-success/contributors-gitlab-com/-/blob/main/README.md).
+found in [README.md](README.md).
 
 Issues to work on can be found in the [contributors-gitlab-com issue tracker](https://gitlab.com/gitlab-org/developer-relations/contributor-success/contributors-gitlab-com/-/issues).
 Items with the ~"quick win" label and/or the ~"workflow::ready for development"