Fix build warnings that concern vulnerable packages

Author: lukebakken

projects/Directory.Packages.props

@@ -16,6 +16,7 @@
     -->
     <PackageVersion Include="System.IO.Pipelines" Version="8.0.0" />
     <PackageVersion Include="System.Net.Http" Version="4.3.4" />
+    <PackageVersion Include="System.Text.RegularExpressions" Version="4.3.1" />
     <PackageVersion Include="System.Threading.RateLimiting" Version="8.0.0" />
     <PackageVersion Include="WireMock.Net" Version="1.5.62" />
     <PackageVersion Include="xunit" Version="2.9.0" />
@@ -37,10 +38,11 @@
     <PackageVersion Include="System.Net.Http.Json" Version="8.0.1" />
     <PackageVersion Include="Microsoft.Bcl.AsyncInterfaces" Version="8.0.0" />
   </ItemGroup>
-  <ItemGroup Condition="$(TargetFramework)=='net472'">
+  <ItemGroup Condition="'$(TargetFramework)'=='net472'">
     <PackageVersion Include="System.Text.Json" Version="8.0.5" />
+    <PackageVersion Include="System.Net.Http.Json" Version="8.0.1" />
   </ItemGroup>
-  <ItemGroup Condition="'$(TargetFrameworkIdentifier)' == '.NETFramework'">
+  <ItemGroup Condition="'$(TargetFrameworkIdentifier)'=='.NETFramework'">
     <GlobalPackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.3" />
   </ItemGroup>
   <ItemGroup Condition="'$(IsPackable)'=='true'">