Update appcast for v1.7.3

Author: andyhtran

appcast.xml

@@ -2,6 +2,16 @@
 <rss xmlns:sparkle="http://www.andymatuschak.org/xml-namespaces/sparkle" version="2.0">
     <channel>
         <title>MiniWhisper</title>
+        <item>
+            <title>1.7.3</title>
+            <pubDate>Wed, 01 Jul 2026 21:06:16 -0400</pubDate>
+            <link>https://raw.githubusercontent.com/andyhtran/MiniWhisper/main/appcast.xml</link>
+            <sparkle:version>31</sparkle:version>
+            <sparkle:shortVersionString>1.7.3</sparkle:shortVersionString>
+            <sparkle:minimumSystemVersion>14.0</sparkle:minimumSystemVersion>
+            <sparkle:hardwareRequirements>arm64</sparkle:hardwareRequirements>
+            <enclosure url="https://github.com/andyhtran/MiniWhisper/releases/download/v1.7.3/MiniWhisper-1.7.3.zip" length="12775291" type="application/octet-stream" sparkle:edSignature="FcdG/DaYvugGRQtwU+bXWNYabuk28XvCzuGibK9pKHpJwZxvmY/MzvpoyjYSjQ0gi82oo8IUNc8LTGRL8o1iBw=="/>
+        </item>
         <item>
             <title>1.7.2</title>
             <pubDate>Tue, 30 Jun 2026 07:41:38 -0400</pubDate>
@@ -22,15 +32,5 @@
             <sparkle:hardwareRequirements>arm64</sparkle:hardwareRequirements>
             <enclosure url="https://github.com/andyhtran/MiniWhisper/releases/download/v1.7.1/MiniWhisper-1.7.1.zip" length="12742754" type="application/octet-stream" sparkle:edSignature="1ycnRfwAFWEEnU31p61Lq8AS9HZkRKAUAU+zdcdJwuQVA9NSJDEWx+HQheJ6pbBtWEtb7dxz9Cok4HwskZBiBQ=="/>
         </item>
-        <item>
-            <title>1.7.0</title>
-            <pubDate>Mon, 22 Jun 2026 09:05:11 -0400</pubDate>
-            <link>https://raw.githubusercontent.com/andyhtran/MiniWhisper/main/appcast.xml</link>
-            <sparkle:version>28</sparkle:version>
-            <sparkle:shortVersionString>1.7.0</sparkle:shortVersionString>
-            <sparkle:minimumSystemVersion>14.0</sparkle:minimumSystemVersion>
-            <sparkle:hardwareRequirements>arm64</sparkle:hardwareRequirements>
-            <enclosure url="https://github.com/andyhtran/MiniWhisper/releases/download/v1.7.0/MiniWhisper-1.7.0.zip" length="12737844" type="application/octet-stream" sparkle:edSignature="8JFWuv8+i6lBg4bauJu1IZhSWLlphOLH4eJZ+hhyQCQIcY6Ej6vfUfJ0bBUtVfUW6zVhlxg+p1JD3uKLExJNAw=="/>
-        </item>
     </channel>
 </rss>