Bump Nerdbank.GitVersioning from 3.4.244 to 3.4.255 (#35)

Bumps [Nerdbank.GitVersioning](https://github.com/dotnet/Nerdbank.GitVersioning) from 3.4.244 to 3.4.255.
- [Release notes](https://github.com/dotnet/Nerdbank.GitVersioning/releases)
- [Commits](https://github.com/dotnet/Nerdbank.GitVersioning/commits)

---
updated-dependencies:
- dependency-name: Nerdbank.GitVersioning
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Directory.build.props

@@ -13,7 +13,7 @@
         <Authors>Avalonia Community</Authors>
     </PropertyGroup>
     <ItemGroup>
-        <PackageReference Include="Nerdbank.GitVersioning" Version="3.4.244" PrivateAssets="all" />
+        <PackageReference Include="Nerdbank.GitVersioning" Version="3.4.255" PrivateAssets="all" />
     </ItemGroup>
     <ItemGroup>
         <None Include="$(MSBuildThisFileDirectory)\LICENSE" Pack="true" PackagePath="LICENSE" />