Bump Cake.FileHelpers: 6.0.0->6.1.3

Updated the Cake.FileHelpers package reference from version 6.0.0 to version 6.1.3 in the Build.csproj file. It was necessary to upgrade to this latest version to leverage new features and bug fixes.

Author: AndreyAkinshin

build/Build.csproj

@@ -6,7 +6,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Cake.Frosting" Version="3.0.0" />
-    <PackageReference Include="Cake.FileHelpers" Version="6.0.0" />
+    <PackageReference Include="Cake.FileHelpers" Version="6.1.3" />
     <PackageReference Include="Microsoft.DocAsCode.App" Version="2.67.3" />
     <PackageReference Include="Ben.Demystifier" Version="0.1.1" />
     <PackageReference Include="JetBrains.Annotations" Version="2022.3.1" />