Update appcast

appcast.xml

@@ -7,17 +7,17 @@
 
         <item>
             <title>CotEditor 4.8.0-beta.2</title>
-            <pubDate>Sat, 09 Mar 2024 15:56:54 +0900</pubDate>
+            <pubDate>Sat, 09 Mar 2024 16:06:51 +0900</pubDate>
             <sparkle:channel>prerelease</sparkle:channel>
             <sparkle:version>635</sparkle:version>
             <sparkle:shortVersionString>4.8.0-beta.2</sparkle:shortVersionString>
             <sparkle:minimumSystemVersion>13.0</sparkle:minimumSystemVersion>
             <sparkle:releaseNotesLink xml:lang="en">https://coteditor.com/releasenotes/4.8.0-beta.en.html</sparkle:releaseNotesLink>
             <sparkle:releaseNotesLink xml:lang="ja">https://coteditor.com/releasenotes/4.8.0-beta.ja.html</sparkle:releaseNotesLink>
             <enclosure url="https://github.com/coteditor/CotEditor/releases/download/4.8.0-beta.2/CotEditor_4.8.0-beta.2.dmg"
-                       length="15355389"
+                       length="15355417"
                        type="application/octet-stream"
-                        sparkle:edSignature="m2AfczuXVwA8J1XfC67fXiBw4AguTdcMCQ+QlcDXWmz2HKrgFyG5LpXrk+J6UinzMU0ajMzf7Po0C4u9hGPoAA=="/>
+                        sparkle:edSignature="/mAVjHHI/s/QdkUX5zsgwlWjOqmtNXqsqxzoTDdEgD0Pt2alOW3ukAFF77zD5PQOEWH7CTV2pLi6+XNapLk0CA=="/>
         </item>
 
         <item>