Update Testimonials.svelte to link to recent stateofjs report (#1289)

Co-authored-by: Ben McCann <[email protected]>

Author: edlerd

apps/svelte.dev/src/routes/_home/Testimonials.svelte

@@ -34,10 +34,10 @@
 			></enhanced:img>
 		</a>
 
-		<a href="https://2023.stateofjs.com/en-US/libraries/front-end-frameworks/">
+		<a href="https://2024.stateofjs.com/en-US/libraries/front-end-frameworks/">
 			<enhanced:img
 				class="screenshot"
-				alt="State of JavaScript 2023"
+				alt="State of JavaScript 2024"
 				src="./state-of-js-chart.png?w=1000,1400"
 			></enhanced:img>
 		</a>