Bump Testcontainers and Testcontainers.LocalStack (#407)

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

Author: dependabot[bot]

src/sdks/dotnet/Directory.Packages.props

@@ -27,8 +27,8 @@
     <PackageVersion Include="AutoFixture" Version="4.18.1" />
     <PackageVersion Include="AwesomeAssertions" Version="9.4.0" />
     <PackageVersion Include="NSubstitute" Version="5.3.0" />
-    <PackageVersion Include="Testcontainers" Version="4.12.0" />
-    <PackageVersion Include="Testcontainers.LocalStack" Version="4.12.0" />
+    <PackageVersion Include="Testcontainers" Version="4.13.0" />
+    <PackageVersion Include="Testcontainers.LocalStack" Version="4.13.0" />
     <PackageVersion Include="xunit.v3" Version="3.2.2" />
     <PackageVersion Include="xunit.runner.visualstudio" Version="3.1.5" />
   </ItemGroup>