release: update appcast for v1.1.11

Author: JerryZLiu

docs/appcast.xml

@@ -3,6 +3,18 @@
   <channel>
     <title>Dayflow Updates</title>
     <language>en</language>
+    <item>
+      <title>Version 1.1.11</title>
+      <pubDate>Tue, 14 Oct 2025 07:33:16 +0000</pubDate>
+      <enclosure url="https://github.com/JerryZLiu/Dayflow/releases/download/v1.1.11/Dayflow.dmg"
+                 sparkle:version="51"
+                 sparkle:shortVersionString="1.1.11"
+                 length="27594830"
+                 type="application/octet-stream"
+                 sparkle:edSignature="tCJAiQGMzgovPPbMxAy52kxnLfhKM3W2o9kNuHW/TCsj8Cb+ShlqgB2wiOS56WOK0IwqhDrkg5a5PU2P1fChCA=="/>
+      <sparkle:minimumSystemVersion>13.0</sparkle:minimumSystemVersion>
+      <releaseNotesLink>https://github.com/JerryZLiu/Dayflow/releases/tag/v1.1.11</releaseNotesLink>
+    </item>
     <item>
       <title>Version 1.1.10</title>
       <pubDate>Mon, 13 Oct 2025 08:06:33 +0000</pubDate>