Document moving brakeman to Core

doc/user/application_security/sast/index.md

@@ -86,7 +86,7 @@ The following table shows which languages, package managers and frameworks are s
 | PHP                                                                         | [phpcs-security-audit](https://github.com/FloeDesignTechnologies/phpcs-security-audit) | 10.8                         |
 | Python ([pip](https://pip.pypa.io/en/stable/))                              | [bandit](https://github.com/PyCQA/bandit)                                              | 10.3                         |
 | React                                                                       | [ESLint react plugin](https://github.com/yannickcr/eslint-plugin-react)                | 12.5                         |
-| Ruby on Rails                                                               | [brakeman](https://brakemanscanner.org)                                                | 10.3                         |
+| Ruby on Rails                                                               | [brakeman](https://brakemanscanner.org)                                                | 10.3, moved to Core in 13.1  |
 | Scala ([Ant](https://ant.apache.org/), [Gradle](https://gradle.org/), [Maven](https://maven.apache.org/) and [SBT](https://www.scala-sbt.org/)) | [SpotBugs](https://spotbugs.github.io/) with the [find-sec-bugs](https://find-sec-bugs.github.io/) plugin | 11.0 (SBT) & 11.9 (Ant, Gradle, Maven) |
 | TypeScript                                                                  | [`tslint-config-security`](https://github.com/webschik/tslint-config-security/) | 11.9 |
 
@@ -95,6 +95,26 @@ The Java analyzers can also be used for variants like the
 [Gradle wrapper](https://docs.gradle.org/current/userguide/gradle_wrapper.html),
 [Grails](https://grails.org/) and the [Maven wrapper](https://github.com/takari/maven-wrapper).
 
+### Making SAST analyzers available to all GitLab tiers
+
+All open source (OSS) analyzers are in the process of being reviewed and potentially moved to GitLab Core tier. Progress can be
+tracked in the corresponding
+[epic](https://gitlab.com/groups/gitlab-org/-/epics/2098).
+
+#### Summary of features per tier
+
+Different features are available in different [GitLab tiers](https://about.gitlab.com/pricing/),
+as shown in the following table:
+
+| Capability                                                                | In Core             | In Ultimate        |
+|:--------------------------------------------------------------------------|:--------------------|:-------------------|
+| [Configure SAST Scanners](#configuration)                                 | **{check-circle}**  | **{check-circle}** |
+| [Customize SAST Settings](#customizing-the-sast-settings)                 | **{check-circle}**  | **{check-circle}** |
+| View [JSON Report](#reports-json-format)                                  | **{check-circle}**  | **{check-circle}** |
+| [Presentation of JSON Report in Merge Request](#overview)                 | **{dotted-circle}** | **{check-circle}** |
+| [Interaction with Vulnerabilities](#interacting-with-the-vulnerabilities) | **{dotted-circle}** | **{check-circle}** |
+| [Access to Security Dashboard](#security-dashboard)                       | **{dotted-circle}** | **{check-circle}** |
+
 ## Contribute your scanner
 
 The [Security Scanner Integration](../../../development/integrations/secure.md) documentation explains how to integrate other security scanners into GitLab.