chore(deps): update dependency gitversion.msbuild to v6

Author: renovate[bot]

Diff for: src/Directory.Build.props

@@ -27,6 +27,6 @@
 	<ItemGroup>
 		<PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.3" PrivateAssets="All" />
 		<PackageReference Include="Microsoft.SourceLink.Github" Version="1.1.1" PrivateAssets="All" />
-		<PackageReference Include="GitVersion.MsBuild" Version="5.12.0" PrivateAssets="All" />
+		<PackageReference Include="GitVersion.MsBuild" Version="6.0.5" PrivateAssets="All" />
 	</ItemGroup>
 </Project>