yggdrasil: 0.3.16 -> 0.4.0 (#129326)

The global yggdrasil network had a breaking protocol change

(cherry picked from commit 7265334f1ab7726e8cbda4670e77c31b42fb5665)

nixos/doc/manual/from_md/release-notes/rl-2105.section.xml

@@ -1563,5 +1563,15 @@ self: super:
         </para>
       </listitem>
     </itemizedlist>
+    <itemizedlist spacing="compact">
+      <listitem>
+        <para>
+          <literal>yggdrasil</literal> was upgraded to a new major
+          release with breaking changes, see
+          <link xlink:href="https://github.com/yggdrasil-network/yggdrasil-go/releases/tag/v0.4.0">upstream
+          changelog</link>.
+        </para>
+      </listitem>
+    </itemizedlist>
   </section>
 </section>

nixos/doc/manual/release-notes/rl-2105.section.md

@@ -426,3 +426,5 @@ When upgrading from a previous release, please be aware of the following incompa
 - Nixpkgs now contains [automatically packaged GNOME Shell extensions](https://github.com/NixOS/nixpkgs/pull/118232) from the [GNOME Extensions](https://extensions.gnome.org/) portal. You can find them, filed by their UUID, under `gnome38Extensions` attribute for GNOME 3.38 and under `gnome40Extensions` for GNOME 40. Finally, the `gnomeExtensions` attribute contains extensions for the latest GNOME Shell version in Nixpkgs, listed under a more human-friendly name. The unqualified attribute scope also contains manually packaged extensions. Note that the automatically packaged extensions are provided for convenience and are not checked or guaranteed to work.
 
 - Erlang/OTP versions older than R21 got dropped. We also dropped the cuter package, as it was purely an example of how to build a package. We also dropped `lfe_1_2` as it could not build with R21+. Moving forward, we expect to only support 3 yearly releases of OTP.
+
+- `yggdrasil` was upgraded to a new major release with breaking changes, see [upstream changelog](https://github.com/yggdrasil-network/yggdrasil-go/releases/tag/v0.4.0).