feat: deactivate Audacity 4 Alpha promotion

Author: teetow

src/assets/data/promotions.ts

@@ -22,7 +22,7 @@ export type PromoData = {
 
 const promoData: Record<string, PromoData> = {
   audacity4Alpha: {
-    isActive: true,
+    isActive: false,
     priority: 50,
     suppressOnPaths: ["/next", "/download"],
     message: "Want a peek at our next big release?",