Update appcast.xml

Author: intitni

appcast.xml

@@ -2,7 +2,19 @@
 <rss xmlns:sparkle="http://www.andymatuschak.org/xml-namespaces/sparkle" version="2.0">
   <channel>
     <title>Copilot for Xcode</title>
-    
+
+    <item>
+      <title>0.30.4</title>
+      <pubDate>Sat, 17 Feb 2024 16:25:04 +0800</pubDate>
+      <sparkle:version>320</sparkle:version>
+      <sparkle:shortVersionString>0.30.4</sparkle:shortVersionString>
+      <sparkle:minimumSystemVersion>12.0</sparkle:minimumSystemVersion>
+      <sparkle:releaseNotesLink>
+        https://github.com/intitni/CopilotForXcode/releases/tag/0.30.4
+      </sparkle:releaseNotesLink>
+      <enclosure url="https://github.com/intitni/CopilotForXcode/releases/download/0.30.4/Copilot.for.Xcode.app.zip" length="41348064" type="application/octet-stream" sparkle:edSignature="aAGmWswDd0xnDbHv+PW/145rTY2xXYCrw3k+1tt9Xq3mZ1MMCj8keQ1sYyLhsTXGoPY17LxbSIquqho2ikNZBA=="/>
+    </item>
+
     <item>
       <title>0.30.4</title>
       <pubDate>Fri, 16 Feb 2024 01:49:49 +0800</pubDate>