Add loading=lazy to testimonial images

Author: hasparus

src/app/conf/2025/components/testimonials/index.tsx

@@ -117,6 +117,7 @@ export function TestimonialAuthor({
           className="size-16 saturate-[.1] dark:opacity-90 xl:size-32"
           // @ts-expect-error React doesn't know it exists yet, but @types/react do
           fetchpriority="low"
+          loading="lazy"
         />
         <div className="absolute inset-0 z-[1] bg-pri-darker opacity-80 mix-blend-plus-lighter dark:mix-blend-color" />
         <Stripes />