docs(footer): fix invalid Discord link

Author: brunocroh

src/components/Footer/Footer.jsx

@@ -39,7 +39,10 @@ const Footer = () => (
         <Link className="footer__link" to="/branding/">
           Branding
         </Link>
-        <Link className="footer__link" to="https://discord.com/invite/8WWf6F7p">
+        <Link
+          className="footer__link"
+          to="https://discord.com/invite/5sxFZPdx2k"
+        >
           Discord
         </Link>
         <Link