Update mailing list urls

index.html

@@ -12,7 +12,7 @@
             </p>
             <p class="introText">Come to our next meeting to discover new projects and have a drink.</p>
             <p class="introText">Join our <a href="https://bcnfs.zulipchat.com">community chat</a> and talk to us and the rest of Free Software enthusiasts in Barcelona.</p>
-            <p class="introText">Subscribe to our <a href="https://lists.bcnfs.org/mailman/listinfo/comunicacio">mailing list</a> to be informed every time we schedule a meetup.</p>
+            <p class="introText">Subscribe to our <a href="https://lists.bcnfs.org/mailman3/lists/comunicacio.bcnfs.org/">mailing list</a> to be informed every time we schedule a meetup.</p>
             <p class="introText">Are you interested in Linux kernel programming? Learn more about our <a href="/kernel-peer-lab">Kernel peer lab</a>.</p>
             <p class="introText">Anything to say? Please, <a href="mailto:{{ site.email }}">contact us</a> directly.</p>
             <p class="introText">We are friends and want to stay friends. Learn about our <a href="/conduct">Code of Conduct</a>.</p>

kernel-peer-lab.md

@@ -16,7 +16,7 @@ It aims at finding ways for enthusiasts to meet through physical (meetups) and v
 
 * Web page: https://bcnfs.org/kernel-peer-lab
 
-* Mailing List: https://lists.bcnfs.org/mailman/listinfo/kernel-peer-lab
+* Mailing List: https://lists.bcnfs.org/mailman3/lists/kernel-peer-lab.bcnfs.org/
 
 * IRC: libera.chat room [#bcn-kernel-peer-lab](https://web.libera.chat/#bcn-kernel-peer-lab)