deps: Bump Microsoft.AspNetCore.Mvc.Testing from 10.0.1 to 10.0.3

---
updated-dependencies:
- dependency-name: Microsoft.AspNetCore.Mvc.Testing
  dependency-version: 10.0.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

src/Spark.Web.Tests/Spark.Web.Tests.csproj

@@ -6,7 +6,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="10.0.1" />
+        <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="10.0.3" />
         <PackageReference Include="coverlet.collector" Version="8.0.0" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
         <PackageReference Include="MSTest.TestFramework" Version="4.0.2" />