Merge branch '210485-gemnasium-data-link' into 'master'

Add link to Gemnasium update frequency

Closes #210485

See merge request gitlab-org/gitlab!27241

doc/user/application_security/index.md

@@ -62,7 +62,7 @@ The scanning tools and vulnerabilities database are updated regularly.
 | Secure scanning tool                                         | Vulnerabilities database updates          |
 |:-------------------------------------------------------------|-------------------------------------------|
 | [Container Scanning](container_scanning/index.md)            | Uses `clair`. The latest `clair-db` version is used for each job by running the [`latest` docker image tag](https://gitlab.com/gitlab-org/gitlab/blob/438a0a56dc0882f22bdd82e700554525f552d91b/lib/gitlab/ci/templates/Security/Container-Scanning.gitlab-ci.yml#L37). The `clair-db` database [is updated daily according to the author](https://github.com/arminc/clair-local-scan#clair-server-or-local). |
-| [Dependency Scanning](dependency_scanning/index.md)          | Relies on `bundler-audit` (for Rubygems), `retire.js` (for NPM packages), and `gemnasium` (GitLab's own tool for all libraries). Both `bundler-audit` and `retire.js` fetch their vulnerabilities data from GitHub repositories, so vulnerabilities added to `ruby-advisory-db` and `retire.js` are immediately available. The tools themselves are updated once per month if there's a new version. The [Gemnasium DB](https://gitlab.com/gitlab-org/security-products/gemnasium-db) is updated at least once a week. |
+| [Dependency Scanning](dependency_scanning/index.md)          | Relies on `bundler-audit` (for Rubygems), `retire.js` (for NPM packages), and `gemnasium` (GitLab's own tool for all libraries). Both `bundler-audit` and `retire.js` fetch their vulnerabilities data from GitHub repositories, so vulnerabilities added to `ruby-advisory-db` and `retire.js` are immediately available. The tools themselves are updated once per month if there's a new version. The [Gemnasium DB](https://gitlab.com/gitlab-org/security-products/gemnasium-db) is updated at least once a week. See our [current measurement of time from CVE being issued to our product being updated](https://about.gitlab.com/handbook/engineering/development/performance-indicators/#cve-issue-to-update). |
 | [Dynamic Application Security Testing (DAST)](dast/index.md) | The scanning engine is updated on a periodic basis. See the [version of the underlying tool `zaproxy`](https://gitlab.com/gitlab-org/security-products/dast/blob/master/Dockerfile#L1). The scanning rules are downloaded at scan runtime. |
 | [Static Application Security Testing (SAST)](sast/index.md)  | Relies exclusively on [the tools GitLab wraps](sast/index.md#supported-languages-and-frameworks). The underlying analyzers are updated at least once per month if a relevant update is available. The vulnerabilities database is updated by the upstream tools. |