Bump Microsoft.NETCore.App to 2.1.30

---
updated-dependencies:
- dependency-name: Microsoft.NETCore.App
  dependency-version: 2.1.30
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: Microsoft.NETCore.App
  dependency-version: 2.1.30
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

dotnetcore-sample/dotnetcore-sample.csproj

@@ -13,6 +13,7 @@
     <PackageReference Include="Microsoft.VisualStudio.Web.BrowserLink" Version="2.0.0" />
   </ItemGroup>
   <ItemGroup>
+    <PackageReference Include="Microsoft.NETCore.App" Version="2.1.30" />
     <DotNetCliToolReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Tools" Version="1.0.1" />
   </ItemGroup>
 

dotnetcore-tests/dotnetcore-tests.csproj

@@ -15,6 +15,7 @@
   </ItemGroup>
 
   <ItemGroup>
+    <PackageReference Include="Microsoft.NETCore.App" Version="2.1.30" />
     <Service Include="{82a7f48d-3b50-4b1e-b82e-3ada8210c358}" />
   </ItemGroup>