Update Angular Samples README.md (#7143)

Fix typo in Angular Samples README.md

Co-authored-by: Thomas Norling <[email protected]>

samples/msal-angular-v3-samples/README.md

@@ -33,7 +33,7 @@
     -   This sample does not use the `MsalRedirectComponent`, but subscribes to `handleRedirectObservable` in the App Component. See our doc on [redirects](https://github.com/AzureAD/microsoft-authentication-library-for-js/blob/dev/lib/msal-angular/docs/redirects.md) for more information.
     -   `PathLocationStrategy`: This sample uses the `PathLocationStrategy` for routing. See [Angular docs](https://angular.io/guide/router#locationstrategy-and-browser-url-styles) for more details.
 
--   [Angular 18 Standalone Sample](https://github.com/AzureAD/microsoft-authentication-library-for-js/tree/dev/samples/msal-angular-v3-samples/angular17-standalone-sample)
+-   [Angular 18 Standalone Sample](https://github.com/AzureAD/microsoft-authentication-library-for-js/tree/dev/samples/msal-angular-v3-samples/angular18-standalone-sample)
     -   **NOTE:** This sample uses the RC version of Angular 18, and will be updated once Angular 18 is released.
     -   This sample demonstrates how to use Msal Angular with Angular's standalone components.
     -   This sample uses the new Angular 18 application builder, but **does not** demonstrate use of server-side and prerendering capabilities. See [Angular's docs](https://angular.io/guide/esbuild) for more details.