Bump Testcontainers.PostgreSql from 3.8.0 to 3.9.0

Bumps [Testcontainers.PostgreSql](https://github.com/testcontainers/testcontainers-dotnet) from 3.8.0 to 3.9.0.
- [Release notes](https://github.com/testcontainers/testcontainers-dotnet/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-dotnet/blob/develop/CHANGELOG.md)
- [Commits](https://github.com/testcontainers/testcontainers-dotnet/commits)

---
updated-dependencies:
- dependency-name: Testcontainers.PostgreSql
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Tests/Tests.csproj

@@ -12,7 +12,7 @@
       <PackageReference Include="FluentAssertions" Version="6.12.0" />
       <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.0" />
       <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
-      <PackageReference Include="Testcontainers.PostgreSql" Version="3.8.0" />
+      <PackageReference Include="Testcontainers.PostgreSql" Version="3.9.0" />
       <PackageReference Include="Testcontainers.RabbitMq" Version="3.8.0" />
       <PackageReference Include="xunit" Version="2.8.0" />
       <PackageReference Include="xunit.runner.visualstudio" Version="2.8.0">