doc: fix link to kodi-19.0 announcement

Logically re-apply 7afaacf9a8 ("doc: fix link to kodi-19.0 announcement"),
because it was lost in the conversion from docbook to markdown, in commit
32c2dd304d ("docs: nixos release notes to CommonMark (2105)").

(Hm, apparently we have *both* docbook and markdown? CI failed before I
updated the .xml file.)

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

@@ -1026,7 +1026,7 @@ self: super:
         <para>
           <link xlink:href="https://kodi.tv/">Kodi</link> has been
           updated to version 19.1 &quot;Matrix&quot;. See the
-          <link xlink:href="https://kodi.tv/article/kodi-190-matrix-release">announcement</link>
+          <link xlink:href="https://kodi.tv/article/kodi-19-0-matrix-release">announcement</link>
           for further details.
         </para>
       </listitem>

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

@@ -300,7 +300,7 @@ When upgrading from a previous release, please be aware of the following incompa
 
   Regarding the NixOS module, new options for HTTPS inspection have been added and `services.privoxy.extraConfig` has been replaced by the new [services.privoxy.settings](options.html#opt-services.privoxy.settings) (See [RFC 0042](https://github.com/NixOS/rfcs/blob/master/rfcs/0042-config-option.md) for the motivation).
 
-- [Kodi](https://kodi.tv/) has been updated to version 19.1 \"Matrix\". See the [announcement](https://kodi.tv/article/kodi-190-matrix-release) for further details.
+- [Kodi](https://kodi.tv/) has been updated to version 19.1 \"Matrix\". See the [announcement](https://kodi.tv/article/kodi-19-0-matrix-release) for further details.
 
 - The `services.packagekit.backend` option has been removed as it only supported a single setting which would always be the default. Instead new [RFC 0042](https://github.com/NixOS/rfcs/blob/master/rfcs/0042-config-option.md) compliant [services.packagekit.settings](options.html#opt-services.packagekit.settings) and [services.packagekit.vendorSettings](options.html#opt-services.packagekit.vendorSettings) options have been introduced.