build(deps): bump Testcontainers from 4.1.0 to 4.2.0 in the all group

Bumps the all group with 1 update: [Testcontainers](https://github.com/testcontainers/testcontainers-dotnet).


Updates `Testcontainers` from 4.1.0 to 4.2.0
- [Release notes](https://github.com/testcontainers/testcontainers-dotnet/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-dotnet/blob/develop/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-dotnet@4.1.0...4.2.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

src/Directory.Packages.props

@@ -35,7 +35,7 @@
     <PackageVersion Include="Microsoft.CodeAnalysis.PublicApiAnalyzers" Version="3.3.4" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
     <PackageVersion Include="Moq" Version="4.20.72" />
-    <PackageVersion Include="Testcontainers" Version="4.1.0" />
+    <PackageVersion Include="Testcontainers" Version="4.2.0" />
     <PackageVersion Include="tryAGI.OpenAI" Version="4.1.0" />
     <PackageVersion Include="MSTest.TestAdapter" Version="3.5.1" />
     <PackageVersion Include="MSTest.TestFramework" Version="3.5.1" />