Bump Testcontainers and Testcontainers.MariaDb

Bumps [Testcontainers](https://github.com/testcontainers/testcontainers-dotnet) and [Testcontainers.MariaDb](https://github.com/testcontainers/testcontainers-dotnet). These dependencies needed to be updated together.

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)

Updates `Testcontainers.MariaDb` 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-name: Testcontainers.MariaDb
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

eFormAPI/Plugins/BackendConfiguration.Pn/BackendConfiguration.Pn.Integration.Test/BackendConfiguration.Pn.Integration.Test.csproj

@@ -18,8 +18,8 @@
           <PrivateAssets>all</PrivateAssets>
           <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>
-        <PackageReference Include="Testcontainers" Version="4.1.0" />
-        <PackageReference Include="Testcontainers.MariaDb" Version="4.1.0" />
+        <PackageReference Include="Testcontainers" Version="4.2.0" />
+        <PackageReference Include="Testcontainers.MariaDb" Version="4.2.0" />
     </ItemGroup>
 
     <ItemGroup>

eFormAPI/Plugins/BackendConfiguration.Pn/BackendConfiguration.Pn.Test/BackendConfiguration.Pn.Test.csproj

@@ -12,8 +12,8 @@
       <PackageReference Include="NSubstitute" Version="5.3.0" />
       <PackageReference Include="NUnit" Version="4.3.2" />
       <PackageReference Include="NUnit3TestAdapter" Version="4.6.0" />
-      <PackageReference Include="Testcontainers" Version="4.1.0" />
-      <PackageReference Include="Testcontainers.MariaDb" Version="4.1.0" />
+      <PackageReference Include="Testcontainers" Version="4.2.0" />
+      <PackageReference Include="Testcontainers.MariaDb" Version="4.2.0" />
     </ItemGroup>
 
     <ItemGroup>