build: Enable nuget transitive pinning

This is to ensure that all projects use the same version of implicit
dependencies (when those dependencies are present in
`Directory.Packages.props`).

Directory.Build.props

@@ -8,7 +8,6 @@
     <AnalysisMode>AllEnabledByDefault</AnalysisMode>
     <GitVersionBaseDirectory>$(MSBuildThisFileDirectory)</GitVersionBaseDirectory>
     <!--<DisableGitVersionTask>true</DisableGitVersionTask>-->
-    <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
   </PropertyGroup>
 
   <!--

Directory.Packages.props

@@ -1,4 +1,8 @@
 <Project>
+  <PropertyGroup>
+    <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
+    <CentralPackageTransitivePinningEnabled>true</CentralPackageTransitivePinningEnabled>
+  </PropertyGroup>
   <!-- Central Package Versions -->
   <ItemGroup>
     <PackageVersion Include="Autofac" Version="8.0.0" />
@@ -10,7 +14,6 @@
     <PackageVersion Include="AutoMapper.Contrib.Autofac.DependencyInjection" Version="8.0.0" />
     <PackageVersion Include="CliWrap" Version="3.6.6" />
     <PackageVersion Include="FluentValidation" Version="11.9.1" />
-    <PackageVersion Include="Flurl" Version="3.0.7" />
     <PackageVersion Include="Flurl.Http" Version="4.0.2" />
     <PackageVersion Include="GitVersion.MsBuild" Version="6.0.0-beta.7" />
     <PackageVersion Include="JetBrains.Annotations" Version="2023.3.0" />
@@ -62,4 +65,4 @@
     <PackageVersion Include="System.Net.Http" Version="4.3.4" />
     <PackageVersion Include="System.Text.RegularExpressions" Version="4.3.1" />
   </ItemGroup>
-</Project>
+</Project>