Use MicrosoftPackageVersion in Volo.Abp.Core.

framework/src/Volo.Abp.Core/Volo.Abp.Core.csproj

@@ -14,8 +14,8 @@
     <RootNamespace />
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="System.ComponentModel.Annotations" Version="4.7.0" />
-    <PackageReference Include="System.Collections.Immutable" Version="1.7.1" />
+    <PackageReference Include="System.ComponentModel.Annotations" Version="$(MicrosoftPackageVersion)" />
+    <PackageReference Include="System.Collections.Immutable" Version="$(MicrosoftPackageVersion)" />
     <PackageReference Include="Microsoft.Extensions.Localization" Version="$(MicrosoftPackageVersion)" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="$(MicrosoftPackageVersion)" />
     <PackageReference Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="$(MicrosoftPackageVersion)" />