Miscellaneous project file updates.

Author: sharpjs

.editorconfig

@@ -31,5 +31,8 @@ indent_size = 2
 csharp_space_after_cast = true
 dotnet_sort_system_directives_first = true
 
+[*.slnLaunch]
+insert_final_newline = false
+
 [dotnet-tools.json]
 insert_final_newline = false

test/Subatomix.Build.Versioning.Semantic.Tests.msbuildproj

@@ -15,7 +15,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <Content Include="**" Exclude="cases\**;$(DefaultItemExcludes);$(DefaultExcludesInProjectFolder);$(MSBuildThisFile)" />
+    <Content Include="**"      Exclude="cases\**;$(DefaultItemExcludes);$(DefaultExcludesInProjectFolder);$(MSBuildThisFile)" />
     <Content Include="cases\*" Exclude="$(DefaultItemExcludes)" />
     <Content Include="cases\*\*.csproj" />
   </ItemGroup>