docs: update link to releases for vscode extension

Author: atscott

vscode-ng-language-service/README.md

@@ -51,7 +51,7 @@ For more information, please see [#594](https://github.com/angular/vscode-ng-lan
 
 ## Installing a particular release build
 
-Download the `.vsix` file for the release that you want to install from the [releases](https://github.com/angular/vscode-ng-language-service/releases) tab.
+Download the `.vsix` file for the release that you want to install from the [releases](https://github.com/angular/angular/releases?q=vscode&expanded=true) tab.
 
 _Do not open the .vsix file directly_. Instead, in Visual Studio code, go to the extensions tab. Click on the "..." menu in the upper right corner of the extensions tab, select "Install from vsix..." and then select the .vsix file for the release you just downloaded.