chore: Bump the testing group with 2 updates

Bumps FluentAssertions from 8.8.0 to 8.9.0
Bumps Microsoft.AspNetCore.Mvc.Testing from 10.0.3 to 10.0.5

---
updated-dependencies:
- dependency-name: FluentAssertions
  dependency-version: 8.9.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: testing
- dependency-name: Microsoft.AspNetCore.Mvc.Testing
  dependency-version: 10.0.5
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: testing
...

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

Author: dependabot[bot]

UserApi.Tests/UserApi.Tests.csproj

@@ -15,10 +15,10 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="10.0.3" />
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="10.0.5" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.InMemory" Version="10.0.3" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="10.0.3" />
-    <PackageReference Include="FluentAssertions" Version="8.8.0" />
+    <PackageReference Include="FluentAssertions" Version="8.9.0" />
     <PackageReference Include="Moq" Version="4.20.72" />
     <PackageReference Include="AutoFixture" Version="4.18.1" />
     <PackageReference Include="AutoFixture.Xunit2" Version="4.18.1" />