chore(deps): update dotnet monorepo to v9

Author: renovate[bot]

Doppler.HelloMicroservice.Test/Doppler.HelloMicroservice.Test.csproj

@@ -8,7 +8,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.13.0" />
-    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="7.0.8" />
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="9.0.8" />
     <PackageReference Include="Moq" Version="4.20.72" />
     <PackageReference Include="xunit" Version="2.9.3" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.1.3">

Doppler.HelloMicroservice/Doppler.HelloMicroservice.csproj

@@ -7,7 +7,7 @@
 
   <ItemGroup>
     <PackageReference Include="Hellang.Middleware.ProblemDetails" Version="6.5.1" />
-    <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="7.0.8" />
+    <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="9.0.8" />
     <PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.22.1" />
     <PackageReference Include="Serilog.Extensions.Hosting" Version="7.0.0" />
     <PackageReference Include="Serilog.Settings.Configuration" Version="7.0.0" />