Add support for 4.2 version (#35)

* fix: support 4.2 version
* Update src/GitExtensions.SolutionRunner/GitExtensions.SolutionRunner.csproj

Co-authored-by: MTimoshinin <m.timoshinin@systtech.ru>
Co-authored-by: Marek Fišera <mara@neptuo.com>

Author: 3 people

src/GitExtensions.SolutionRunner/GitExtensions.SolutionRunner.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFramework>net6.0-windows</TargetFramework>
-    <VersionPrefix>6.0.2</VersionPrefix>
+    <VersionPrefix>7.0.0</VersionPrefix>
     <PublishRepositoryUrl>true</PublishRepositoryUrl>
     <UseWindowsForms>true</UseWindowsForms>
   </PropertyGroup>
@@ -18,7 +18,7 @@
     <Reference Include="System.ComponentModel.Composition" HintPath="$(GitExtensionsPath)\System.ComponentModel.Composition.dll" />
   </ItemGroup>
   <PropertyGroup>
-    <GitExtensionsReferenceVersion>v4</GitExtensionsReferenceVersion>
+    <GitExtensionsReferenceVersion>v4.2</GitExtensionsReferenceVersion>
     <GitExtensionsDownloadPath>../../references</GitExtensionsDownloadPath>
   </PropertyGroup>