Update appcast.xml

Author: intitni

appcast.xml

@@ -3,6 +3,18 @@
   <channel>
     <title>Copilot for Xcode</title>
 
+    <item>
+      <title>0.30.0</title>
+      <pubDate>Mon, 22 Jan 2024 16:01:13 +0800</pubDate>
+      <sparkle:version>311</sparkle:version>
+      <sparkle:shortVersionString>0.30.0</sparkle:shortVersionString>
+      <sparkle:minimumSystemVersion>12.0</sparkle:minimumSystemVersion>
+      <sparkle:releaseNotesLink>
+        https://github.com/intitni/CopilotForXcode/releases/tag/0.30.0
+      </sparkle:releaseNotesLink>
+      <enclosure url="https://github.com/intitni/CopilotForXcode/releases/download/0.30.0/Copilot.for.Xcode.app.zip" length="37986282" type="application/octet-stream" sparkle:edSignature="m91DLVuZYl1x3HW3SJSexBAdXAn0XjcbDx6uyQwnmUN/NG0Z3GUoZ8UskcYC2jhRkj7/WfAcoQD4Wm8JUPIKCQ=="/>
+    </item>
+
     <item>
       <title>0.29.1</title>
       <pubDate>Tue, 16 Jan 2024 01:12:50 +0800</pubDate>