chore(deps): update dependency microsoft.aspnetcore.mvc.testing to v8.0.3 (#733)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [Microsoft.AspNetCore.Mvc.Testing](https://asp.net/)
([source](https://togithub.com/dotnet/aspnetcore)) | `8.0.2` -> `8.0.3`
|
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|
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---

### Release Notes

<details>
<summary>dotnet/aspnetcore (Microsoft.AspNetCore.Mvc.Testing)</summary>

###
[`v8.0.3`](https://togithub.com/dotnet/aspnetcore/compare/v8.0.2...v8.0.3)

</details>

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test/KubeOps.Operator.Web.Test/KubeOps.Operator.Web.Test.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <ItemGroup>
         <PackageReference Include="KubernetesClient" Version="12.1.1"/>
-        <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="8.0.2"/>
+        <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="8.0.3"/>
         <PackageReference Include="Microsoft.Build.Locator" Version="1.7.1"/>
         <PackageReference Include="Microsoft.CodeAnalysis" Version="4.8.0"/>
         <PackageReference Include="Microsoft.CodeAnalysis.Common" Version="4.8.0"/>