Update link - applications page
Update GitPitch repository link at https://about.gitlab.com/applications/
Related: https://gitlab.com/gitlab-com/www-gitlab-com/merge_requests/3323
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Update GitPitch repository link at https://about.gitlab.com/applications/
Related: https://gitlab.com/gitlab-com/www-gitlab-com/merge_requests/3323