Metainfo: add 1.3.0 release notes (#132)

Author: danirabbit

data/quick-settings.metainfo.xml

@@ -31,6 +31,20 @@
   <update_contact>contact_at_elementary.io</update_contact>
 
   <releases>
+    <release version="1.3.0" date="2025-09-10" urgency="medium">
+      <description>
+        <p>Other Improvements:</p>
+        <ul>
+          <li>Animate Dark Mode and Rotation Lock toggles</li>
+          <li>Notify when trying to open Onboard in a Secure Session</li>
+          <li>Updated translations</li>
+        </ul>
+      </description>
+      <issues>
+        <issue url="https://github.com/elementary/quick-settings/issues/125">Guest account always shows as logged out</issue>
+      </issues>
+    </release>
+
     <release version="1.2.0" date="2025-04-18" urgency="medium">
       <description>
         <p>Other Improvements:</p>