chore: improve accessibility and security (#707)

- Update roadmap description date from July 14, 2025 to February 2026
- Improve landing page hero image alt text for better a11y
- Add noreferrer to external links for security best practice

apps/web/src/components/landing/hero.tsx

@@ -14,7 +14,7 @@ export function Hero() {
 				src="/landing-page-dark.png"
 				height={1903.5}
 				width={1269}
-				alt="landing-page.bg"
+				alt="OpenCut video editor landing page background"
 			/>
 			<div className="mx-auto flex w-full max-w-3xl flex-1 flex-col justify-center">
 				<div className="inline-block text-4xl font-bold tracking-tighter md:text-[4rem]">