Bump Microsoft.NETFramework.ReferenceAssemblies from 1.0.2 to 1.0.3

---
updated-dependencies:
- dependency-name: Microsoft.NETFramework.ReferenceAssemblies
  dependency-version: 1.0.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

samples/snippets/csharp/VS_Snippets_Data/DP L2E Materialization Example/CS/L2EMaterializationCS.csproj

@@ -15,7 +15,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.2">
+    <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.3">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>   
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>