Merge branch 'release-post-secure-sa-12752-sast-kubernetes-manifests' into 'master'

release-post-secure-sa-12752-sast-kubernetes-manifests

See merge request gitlab-com/www-gitlab-com!36390

data/release_posts/unreleased/secure-sa-12752-sast-kubernetes-manifests.yml

+features:
+  secondary:
+    - name: "SAST for Kubernetes manifests"
+      available_in: [ultimate]
+      documentation_link: 'https://docs.gitlab.com/ee/user/application_security/sast/#supported-languages-and-frameworks'
+      reporter: NicoleSchwartz
+      stage: secure
+      categories:
+        - 'SAST'
+      issue_url: 'https://gitlab.com/gitlab-org/gitlab/issues/12752'
+      description: |
+        Kubernetes manifests can now be checked for sensitive data like secrets and privileges, by using [`kubesec`](https://kubesec.io/).
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