fix broken link

Author: cetincakiroglu

src/app/demo/components/uikit/button/buttondemo.component.html

@@ -71,11 +71,11 @@ <h5>SplitButton</h5>
 			<h5>Templating</h5>
 			<div class="flex flex-wrap gap-2">
 				<p-button>
-					<img alt="logo" src="https://primefaces.org/primeng/assets/showcase/images/primeng-icon.svg" style="width: 1.5rem"/>
+					<img alt="logo" src="https://primefaces.org/cdn/primeng/images/primeng-icon.svg" style="width: 1.5rem"/>
 				</p-button>
 
 				<p-button styleClass="p-button-outlined">
-					<img alt="logo" src="https://primefaces.org/primeng/assets/showcase/images/primeng-icon.svg" style="width: 1.5rem"/>
+					<img alt="logo" src="https://primefaces.org/cdn/primeng/images/primeng-icon.svg" style="width: 1.5rem"/>
 					<span class="ml-2 font-bold">PrimeNG</span>
 				</p-button>
 			</div>