doc: Update security policy

Author: github-actions[bot]

SECURITY.md

@@ -10,7 +10,6 @@ The following table outlines the versions of the project that are currently supp
 | Package Version                                                                            | Umbraco Version | Security Phase Start | End of Life |
 | ---------------------------------------------------------------------------------- | --------------- | -------------------- | ----------- |
 | [13.x](https://github.com/jcdcdev/jcdcdev.Umbraco.ExtendedMarkdownEditor/tree/v13) | 13 | 2025-12-14 | 2026-12-14 |
-| [15.x](https://github.com/jcdcdev/jcdcdev.Umbraco.ExtendedMarkdownEditor/tree/v15) | 15 | 2025-08-14 | 2025-11-14 |
 | [16.x](https://github.com/jcdcdev/jcdcdev.Umbraco.ExtendedMarkdownEditor/tree/v16) | 16 | 2026-03-12 | 2026-06-12 |
 ## Unsupported Versions
 
@@ -19,6 +18,7 @@ The following table outlines the versions of the project that are currently supp
 | [10.x](https://github.com/jcdcdev/jcdcdev.Umbraco.ExtendedMarkdownEditor/tree/v10) | 10 | 2025-06-16 |
 | [12.x](https://github.com/jcdcdev/jcdcdev.Umbraco.ExtendedMarkdownEditor/tree/v12) | 12 | 2024-06-29 |
 | [14.x](https://github.com/jcdcdev/jcdcdev.Umbraco.ExtendedMarkdownEditor/tree/v14) | 14 | 2025-05-30 |
+| [15.x](https://github.com/jcdcdev/jcdcdev.Umbraco.ExtendedMarkdownEditor/tree/v15) | 15 | 2025-11-14 |
 
 
 ## Future Support