Merge branch 'selhorn-shared-runner-update' into 'master'

Docs: Updated linux shared runner info

See merge request gitlab-org/gitlab!48204

doc/user/gitlab_com/index.md

@@ -149,12 +149,11 @@ Shared runners provided by GitLab are **not** configurable. Consider [installing
 
 ### Linux shared runners
 
-Linux shared runners on GitLab.com run in [autoscale mode](https://docs.gitlab.com/runner/configuration/autoscale.html) and are powered by Google Cloud Platform.
-Autoscaling means reduced waiting times to spin up CI/CD jobs, and isolated VMs for each project,
-thus maximizing security. They're free to use for public open source projects and limited
-to 400 CI minutes per month per group for private projects. More minutes
-[can be purchased](../../subscriptions/gitlab_com/index.md#purchase-additional-ci-minutes), if
-needed. Read about all [GitLab.com plans](https://about.gitlab.com/pricing/).
+Linux shared runners on GitLab.com run in autoscale mode and are powered by Google Cloud Platform.
+
+Autoscaling means reduced queue times to spin up CI/CD jobs, and isolated VMs for each project, thus maximizing security. These shared runners are available for users and customers on GitLab.com.
+
+GitLab offers Gold tier capabilities and included CI/CD minutes per group per month for our [Open Source](https://about.gitlab.com/solutions/open-source/join/), [Education](https://about.gitlab.com/solutions/education/), and [Startups](https://about.gitlab.com/solutions/startups/) programs. For private projects, GitLab offers various [plans](https://about.gitlab.com/pricing/), starting with a Free tier.
 
 All your CI/CD jobs run on [n1-standard-1 instances](https://cloud.google.com/compute/docs/machine-types) with 3.75GB of RAM, CoreOS and the latest Docker Engine
 installed. Instances provide 1 vCPU and 25GB of HDD disk space. The default