Bump Microsoft.NET.Test.Sdk from 17.3.1 to 17.3.2 in /backend

Bumps [Microsoft.NET.Test.Sdk](https://github.com/microsoft/vstest) from 17.3.1 to 17.3.2.
- [Release notes](https://github.com/microsoft/vstest/releases)
- [Commits](microsoft/vstest@v17.3.1...v17.3.2)

---
updated-dependencies:
- dependency-name: Microsoft.NET.Test.Sdk
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

backend/RossyntBackendIntegrationTest/RossyntBackendIntegrationTest.csproj

@@ -11,7 +11,7 @@
         <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="3.1.18" Condition="'$(TargetFramework)' == 'netcoreapp3.1'" />
         <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="5.0.11" Condition="'$(TargetFramework)' == 'net5.0'" />
         <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="6.0.9" Condition="'$(TargetFramework)' == 'net6.0'" />
-        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.3.1" />
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.3.2" />
         <PackageReference Include="NUnit" Version="3.13.3" />
         <PackageReference Include="NUnit3TestAdapter" Version="4.2.1" />
         <PackageReference Include="coverlet.collector" Version="3.1.2">

backend/RossyntBackendUnitTest/RossyntBackendUnitTest.csproj

@@ -10,7 +10,7 @@
         <PackageReference Include="AutoFixture" Version="4.17.0" />
         <PackageReference Include="NUnit" Version="3.13.3" />
         <PackageReference Include="NUnit3TestAdapter" Version="4.2.1" />
-        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.3.1" />
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.3.2" />
     </ItemGroup>
 
     <ItemGroup>