chore: version 1.2.1

Author: hal-wang

Lavcode.Uwp/Package.appxmanifest

@@ -11,7 +11,7 @@
   <Identity
     Name="524473F72DB2F.Lavcode"
     Publisher="CN=72C1148F-5C2B-4F28-9B8C-891A63D2777E"
-    Version="1.2.0.0" />
+    Version="1.2.1.0" />
 
   <mp:PhoneIdentity PhoneProductId="cda4abc7-39a4-4c92-8937-e609f1c9fb70" PhonePublisherId="00000000-0000-0000-0000-000000000000"/>