Update newsletter links to new service (#418)

Related to #417

---

For more details, open the [Copilot Workspace session](https://copilot-workspace.githubnext.com/open-sauced/landing-page/issues/417?shareId=XXXX-XXXX-XXXX-XXXX).

Author: bdougie

components/sections/Footer.tsx

@@ -31,7 +31,7 @@ const footerContext = {
       label: 'opensauced.pizza/docs',
     },
     {
-      url: 'https://news.opensauced.pizza',
+      url: 'https://opensourceready.substack.com/',
       label: 'news.opensauced.pizza',
     },
     {
@@ -151,4 +151,3 @@ const LocalTypography: FC<LocalTypographyProps> = ({
 
 export default Footer
 
-    

components/sections/home-page/Newsletter.tsx

@@ -30,7 +30,7 @@ const Newsletter = () => {
         </Typography>
         <GradientBorderWrapper>
           <a
-            href="https://news.opensauced.pizza/#/portal/signup"
+            href="https://opensourceready.substack.com/"
             target="_blank"
             rel="noopener noreferrer"
             className="relative box-border px-4 flex items-center justify-center w-[280px] h-[38px] text-[#FEEADD] pr-4 py-3 text-sm font-medium bg-[#211E1C] rounded-md largeTablet:w-[394px]"