Release 3.0.4 (#495)

* Release 3.0.4

* Update wingpanel.appdata.xml.in

---------

Co-authored-by: Danielle Foré <danielle@elementary.io>

data/wingpanel.appdata.xml.in

@@ -12,7 +12,7 @@
   </description>
 
   <releases>
-    <release version="3.0.4" date="2023-18-25" urgency="medium">
+    <release version="3.0.4" date="2023-18-28" urgency="medium">
       <description>
         <p>Improvements:</p>
         <ul>
@@ -121,7 +121,7 @@
   </provides>
   <screenshots>
     <screenshot type="default">
-      <image>https://raw.githubusercontent.com/elementary/wingpanel/master/data/screenshot.png</image>
+      <image>https://raw.githubusercontent.com/elementary/wingpanel/3.0.4/data/screenshot.png</image>
     </screenshot>
   </screenshots>
   <compulsory_for_desktop>Pantheon</compulsory_for_desktop>

meson.build

@@ -1,7 +1,7 @@
 project(
     'io.elementary.wingpanel',
     'c', 'vala',
-    version: '3.0.3',
+    version: '3.0.4',
     meson_version : '>= 0.57'
 )