Up version number to 1.2.0 for release

Author: Graham Downs

MastodonFollowerTimes/MastodonFollowerTimes.csproj

@@ -7,7 +7,7 @@
     <UseWPF>true</UseWPF>
     <Authors>Graham Downs</Authors>
     <Product>Mastodon Follower Times</Product>
-    <Version>1.0.1</Version>
+    <Version>1.2.0</Version>
     <Copyright>Copyright © Graham Downs 2023</Copyright>
     <ApplicationIcon>MastodonFollowerTimes Icon.ico</ApplicationIcon>
   </PropertyGroup>