Update the support status for RNW 0.78-0.80. (#1091)

## Description

Update the support status for RNW 0.78-0.80.

### Why

- RNW 0.80 had the wrong release date
- RNW 0.78-0.79 support needed to be updated

## Screenshots
N/A

###### Microsoft Reviewers: [Open in
CodeFlow](https://microsoft.github.io/open-pr/?codeflow=https://github.com/microsoft/react-native-windows-samples/pull/1091)

Author: jonthysell

website/pages/en/support.js

@@ -14,10 +14,10 @@ The React Native for Windows (RNW) Team strives to provide full support for the
 | Version | Support Phase | Release Date | Active Support Start | Maintenance Support Start | End of Support |
 | -- | -- | -- | -- | -- | -- |
 | [main](https://www.npmjs.com/package/react-native-windows/v/canary) | [Canary](#canary-support) | *N/A* | *N/A* | *N/A* | *N/A* |
-| [0.80](https://www.npmjs.com/package/react-native-windows/v/latest) | [Active](#active-support) | 12/16/2025 | 12/16/2025 | *TBD* | *TBD* |
-| [0.79](https://www.npmjs.com/package/react-native-windows/v/v0.79-stable) | [Active](#active-support) | 06/17/2025 | 06/17/2025 | 01/31/2026 | 03/31/2026 |
-| [0.78](https://www.npmjs.com/package/react-native-windows/v/v0.78-stable) | [Active](#active-support) | 02/27/2025 | 02/27/2025 | 07/31/2025 | 09/30/2025 |
-| [0.77](https://www.npmjs.com/package/react-native-windows/v/v0.77-stable) | [Unsupported](#unsupported) | 01/24/2025 | 01/24/2025 | 03/27/2025 | 05/31/2025 |
+| [0.80](https://www.npmjs.com/package/react-native-windows/v/latest) | [Active](#active-support) | 10/28/2025 | 10/28/2025 | *TBD* | *TBD* |
+| [0.79](https://www.npmjs.com/package/react-native-windows/v/v0.79-stable) | [Active](#active-support) | 06/17/2025 | 06/17/2025 | 11/30/2025 | 01/31/2026 |
+| [0.78](https://www.npmjs.com/package/react-native-windows/v/v0.78-stable) | [Unsupported](#unsupported) | 02/27/2025 | 02/27/2025 | 07/31/2025 | 09/30/2025 |
+| [0.77](https://www.npmjs.com/package/react-native-windows/v/v0.77-stable) | [Unsupported](#unsupported) | 01/24/2025 | 01/24/2025 | 03/30/2025 | 05/31/2025 |
 
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