docs(packages/ui5-middleware-simpleproxy/README.md): add note about HTTP/2 support with Node v24 (#1226)

Author: flovogt

packages/ui5-middleware-simpleproxy/README.md

@@ -118,12 +118,14 @@ If you are using the Microsoft OData services for testing purposes, like [Northw
 
 Another known issue is the the validation of the `csrf-token` fails for the `$batch` requests (e.g. in Chrome). To workaround this issue, also running the dev server in `https` can solve the issue.
 
-The UI5 tooling supports running the dev server in `https` by running the following command line option:
+UI5 Tooling supports running the dev server in `https` by running the following command line option:
 
 ```sh
 ui5 serve --h2
 ```
 
+**Note:** With Node v24, usage of HTTP/2 is no longer supported in UI5 Tooling. Please check https://github.com/SAP/ui5-tooling/issues/327 for updates.
+
 More details can be found in the documentation of the UI5 tooling for the [`ui5 serve` command](https://sap.github.io/ui5-tooling/stable/pages/CLI/#ui5-serve).
 
 ## License