Update Identity Web to 0.1.5-preview. (#70)

Author: pmaytak

2-Call-OwnApi/TodoList-WebApi/TodoList-WebApi.csproj

@@ -8,7 +8,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.EntityFrameworkCore" Version="3.1.3" />
-    <PackageReference Include="Microsoft.Identity.Web" Version="0.1.4-preview" />
+    <PackageReference Include="Microsoft.Identity.Web" Version="0.1.5-preview" />
     <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="3.1.2" />
   </ItemGroup>