Update CHANGELOG.md

CHANGELOG.md

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 ## BETA
 
+⚠️ Node 16 has reached end-of-life and is no longer supported by the Homebridge UI.
+
+- Starting with v4.50.7, the Homebridge UI will no longer work with Node 16, only Node 18 or 20
+- Homebridge UI follows the same Node support schedule as Homebridge. See the [How-To-Update-Node.js](https://github.com/homebridge/homebridge/wiki/How-To-Update-Node.js) page in the Homebridge wiki for more information
+
 ### Other Changes
 
 - **System:**
-  - Updated frontend dependencies (#1572)
   - Updated backend dependencies (#1571 and #1569)
+  - Updated frontend dependencies (#1572)
 
 ## 4.50.6 (2023-09-28)