fix: replace all for the outdated link

README.md

@@ -5,7 +5,7 @@
   •
   <a href="https://devs.aragon.org/">Developer Portal</a>
   •
-  <a href="https://aragonproject.typeform.com/to/LngekEhU">Join our Developer Community</a>
+  <a href="https://aragondevelopers.substack.com/">Join our Developer Community</a>
   •
   <a href="https://aragonproject.typeform.com/dx-contribution">Contribute</a>
 </p>
@@ -14,7 +14,7 @@
 
 # Aragon OSx Developer Portal
 
-Aragon's Developer Portal holds all documentation developers need to kickstart their journey building with the Aragon OSx stack. You can find it in production [here](https://devs.aragon.org). 
+Aragon's Developer Portal holds all documentation developers need to kickstart their journey building with the Aragon OSx stack. You can find it in production [here](https://devs.aragon.org).
 
 This website is built using [Docusaurus 3](https://docusaurus.io/), a static website generator for technical documentations.
 

docs/osx/02-how-to-guides/01-dao/03-protocol-upgrades.md

@@ -10,4 +10,4 @@ To make it easy for your DAO to switch to future Aragon OSx protocol versions, w
 
 Whenever we provide a new Aragon OSx protocol version, it will be possible to upgrade your DAO and associated plugins through your DAO dashboard.
 
-[Add your email here](https://aragonproject.typeform.com/to/LngekEhU) if you'd like to receive updates when this happens!
+[Add your email here](https://aragondevelopers.substack.com/) if you'd like to receive updates when this happens!

docusaurus.config.js

@@ -17,7 +17,7 @@ const config = {
   onBrokenLinks: 'throw',
   onBrokenMarkdownLinks: 'throw',
   onBrokenAnchors: 'throw',
-  
+
   favicon: 'img/Aragon-logo-circle.png',
 
   presets: [
@@ -131,7 +131,7 @@ const config = {
       announcementBar: {
         id: 'register_to_dev_newsletter',
         content:
-          'Register to our developer newsletter and get the latest updates on DAO tooling <a target="_blank" rel="noopener noreferrer" href="https://aragonproject.typeform.com/to/LngekEhU">here</a></strong>!',
+          'Register to our developer newsletter and get the latest updates on DAO tooling <a target="_blank" rel="noopener noreferrer" href="https://aragondevelopers.substack.com/">here</a></strong>!',
         backgroundColor: '#3164fa',
         textColor: '#fff',
         isCloseable: true,