chore(deps): bump @angular/common, @angular/forms, @angular/platform-browser, @angular/platform-browser-dynamic, @angular/router and ngx-markdown in /samples/js-chatbot/genkit-app

chore(deps): bump @angular/common, @angular/forms, @angular/platform-browser, @angular/platform-browser-dynamic, @angular/router and ngx-markdown in /samples/js-chatbot/genkit-app #7369