Update repo.xml for v1.2.1 release

SHA1: a2a838efee4536864bd17f633f7d3fdf7a1dea01

Author: mtxmiller

repo.xml

@@ -4,11 +4,11 @@
     <title lang="EN">Mobile Transcode Rules Repository</title>
   </details>
   <plugins>
-    <plugin name="MobileTranscode" version="1.2.0" minTarget="7.9" maxTarget="9.*">
+    <plugin name="MobileTranscode" version="1.2.1" minTarget="7.9" maxTarget="9.*">
       <title lang="EN">Mobile Transcode Rules</title>
       <desc lang="EN">Optimized custom-convert.conf rules for mobile Lyrion clients (LyrPlay). Enables WAV, Opus and OGG Vorbis transcoding.</desc>
-      <url>https://github.com/mtxmiller/MobileTranscode/releases/download/v1.2.0/MobileTranscode-1.2.0.zip</url>
-      <sha>20da067024dfff6f2be810d253f83459fd61a737</sha>
+      <url>https://github.com/mtxmiller/MobileTranscode/releases/download/v1.2.1/MobileTranscode-1.2.1.zip</url>
+      <sha>a2a838efee4536864bd17f633f7d3fdf7a1dea01</sha>
       <link>https://github.com/mtxmiller/MobileTranscode</link>
       <creator>Eric Miller (mtxmiller)</creator>
       <email>ericlmiller@gmail.com</email>