Merge pull request #7024 from EnterpriseDB/automatic_docs_update/repo_EnterpriseDB/cloud-native-postgres/ref_refs/tags/v1.28.0-rc1

Author: josh-heyer

product_docs/docs/postgres_for_kubernetes/1/index.mdx

@@ -5,8 +5,9 @@ originalFilePath: src/index.md
 indexCards: none
 directoryDefaults:
   version: "1.27.1"
-redirects:
-  - /postgres_for_kubernetes/preview/:splat
+  displayBanner: |
+      We're preparing the next release of {{name.ln}}, and a release candidate is available. 
+      For more information, see <a href="/docs/postgres_for_kubernetes/preview/preview_version/">the v1.28.0-rc1 documentation</a>
 navigation:
   - rel_notes
   - '!commercial_support.mdx'