Update GitLab Terms of Service

This version was recorded after filtering snapshot OpenTermsArchive/contrib-snapshots@b8a728c24564

Author: AmbNum-Bot

GitLab/Terms of Service.md

@@ -120,6 +120,7 @@ These Website Terms of Use (the “Agreement”) govern all use of the GitLab.co
 *   [Topics](https://about.gitlab.com/topics/)
 *   [Training](https://about.gitlab.com/learn/)
 *   [Docs](https://docs.gitlab.com/)
+*   [Developer Portal](https://developer.gitlab.com/)
 *   [Install](https://about.gitlab.com/install/)
 
 ### Community