[FSSDK-11342] deps inclusion

Author: junaed-optimizely

OptimizelySDK.NetStandard16/OptimizelySDK.NetStandard16.csproj

@@ -163,5 +163,7 @@
         <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
         <PackageReference Include="NJsonSchema" Version="10.8.0" />
         <PackageReference Include="murmurhash-signed" Version="1.0.2" />
+  			<PackageReference Include="System.Net.Http" Version="4.3.4" />
+    		<PackageReference Include="System.Text.RegularExpressions" Version="4.3.1" />
     </ItemGroup>
 </Project>