Use 5.* wildcard version for .Text deps

Author: mythz

tests/Northwind.Common/Northwind.Common.csproj

@@ -26,7 +26,7 @@
 
   <ItemGroup>
     <PackageReference Include="protobuf-net" Version="3.0.101" />
-    <PackageReference Include="ServiceStack.Interfaces" Version="$(Version)" />
+    <PackageReference Include="ServiceStack.Interfaces" Version="5.*" />
   </ItemGroup>
 
   <PropertyGroup Condition=" '$(TargetFramework)' == 'net461' ">

tests/ServiceStack.Text.Tests/ServiceStack.Text.Tests.csproj

@@ -34,7 +34,7 @@
     <PackageReference Include="System.Runtime.Serialization.Json" Version="4.3.0" />
     <PackageReference Include="System.ValueTuple" Version="4.5.0" />
     <PackageReference Include="System.Memory" Version="4.5.4" />
-    <PackageReference Include="ServiceStack" Version="$(Version)" />
+    <PackageReference Include="ServiceStack" Version="5.*" />
   </ItemGroup>
   <PropertyGroup Condition=" '$(TargetFramework)' == 'net461' ">
     <DefineConstants>$(DefineConstants);NET45</DefineConstants>