[polari] appdata: Add release notes for 3.30

[Florian Müllner <fmuellner src gnome org>]

commit a95e496788e3eeecbac5dc01711aae5383d38413
Author: Florian Müllner <fmuellner gnome org>
Date:   Tue Sep 4 01:56:43 2018 +0200

    appdata: Add release notes for 3.30

 data/appdata/org.gnome.Polari.appdata.xml.in | 14 +++-----------
 1 file changed, 3 insertions(+), 11 deletions(-)
---
diff --git a/data/appdata/org.gnome.Polari.appdata.xml.in b/data/appdata/org.gnome.Polari.appdata.xml.in
index 3471a9e..f9e4987 100644
--- a/data/appdata/org.gnome.Polari.appdata.xml.in
+++ b/data/appdata/org.gnome.Polari.appdata.xml.in
@@ -55,20 +55,12 @@
   </kudos>
   <translation type="gettext">polari</translation>
   <releases>
-    <release version="3.28.0" date="2018-03-12">
+    <release version="3.30.0" date="2018-08-04">
       <description>
         <p>
-          GNOME 3.28 brings with it a brand new Polari release with bug fixes,
-          performance improvements and new features:
+          GNOME 3.30 brings with it a brand new Polari release with bug fixes
+          and performance improvements.
         </p>
-        <ul>
-          <li>Rooms now indicate when joining them takes a while to show at
-              a glance when they are ready</li>
-          <li>It is now possible to disconnect from networks to disable
-              them temporarily</li>
-          <li>Developing Polari got easier – test changes from GNOME Builder
-              without leaving your chats first</li>
-        </ul>
       </description>
     </release>
   </releases>