update assembly version

Author: smdn

src/Smdn.Reflection.ReverseGenerating/Smdn.Reflection.ReverseGenerating.csproj

@@ -6,7 +6,7 @@ SPDX-License-Identifier: MIT
   <PropertyGroup>
     <TargetFrameworks>net8.0;net6.0;net47;net45;netstandard2.0</TargetFrameworks>
     <RootNamespace>Smdn.Reflection.ReverseGenerating</RootNamespace>
-    <VersionPrefix>1.1.6</VersionPrefix>
+    <VersionPrefix>1.2.0</VersionPrefix>
     <VersionSuffix></VersionSuffix>
     <PackageValidationBaselineVersion>1.0.0</PackageValidationBaselineVersion>
     <RootNamespace/> <!-- empty the root namespace so that the namespace is determined only by the directory name, for code style rule IDE0030 -->