Change project status to archived in README

Updated support level to archived status and added caution note about project maintenance.

Author: jeffpaul

readme.md

@@ -2,7 +2,10 @@
 
 > Check WordPress core, installed plugins and themes for vulnerabilities.
 
-[![Support Level](https://img.shields.io/badge/support-active-green.svg)](#support-level) ![WordPress tested up to version](https://img.shields.io/badge/WordPress-v5.9%20tested-success.svg) [![MIT License](https://img.shields.io/github/license/10up/wpcli-vulnerability-scanner.svg)](https://github.com/10up/wpcli-vulnerability-scanner/blob/develop/LICENSE.md) [![Functional Tests](https://github.com/10up/wpcli-vulnerability-scanner/actions/workflows/testing.yml/badge.svg)](https://github.com/10up/wpcli-vulnerability-scanner/actions/workflows/testing.yml)
+[![Support Level](https://img.shields.io/badge/support-archived-red.svg)](#support-level) ![WordPress tested up to version](https://img.shields.io/badge/WordPress-v5.9%20tested-success.svg) [![MIT License](https://img.shields.io/github/license/10up/wpcli-vulnerability-scanner.svg)](https://github.com/10up/wpcli-vulnerability-scanner/blob/develop/LICENSE.md) [![Functional Tests](https://github.com/10up/wpcli-vulnerability-scanner/actions/workflows/testing.yml/badge.svg)](https://github.com/10up/wpcli-vulnerability-scanner/actions/workflows/testing.yml)
+
+> [!CAUTION]
+> As of 13 February 2026, this project is archived and no longer being actively maintained.
 
 ## Installation
 
@@ -276,7 +279,7 @@ Please report security bugs found in the source code of the undefined plugin thr
 
 ## Support Level
 
-**Active:** 10up is actively working on this, and we expect to continue work for the foreseeable future including keeping tested up to the most recent version of WordPress. Bug reports, feature requests, questions, and pull requests are welcome.
+**Archived:** This project is no longer maintained by 10up. We are no longer responding to Issues or Pull Requests unless they relate to security concerns. We encourage interested developers to fork this project and make it their own!
 
 ## Changelog