Add Docker network commands and update execution logic for container networking.

[gustavofreze]

No description provided.

[Copilot]

Pull request overview

This PR extends the container runtime flow to support Docker network host connectivity by introducing a docker network connect command and wiring it into the container start sequence when running inside Docker.

Changes:

• Added a HostEnvironment utility to detect Docker execution and fetch the current container hostname.
• Introduced DockerNetworkConnect and updated ContainerCommandHandler::run() to connect the “host” (test-runner) container to the target network when inside Docker.
• Updated unit tests and mocks to account for the additional network-connect command and added a regression test for the “outside Docker” path.

Reviewed changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
tests/Unit/MySQLDockerContainerTest.php	Adjusts expected command ordering after inserting network connect; removes a redundant factory-instance assertion.
tests/Unit/Mocks/ClientMock.php	Adds support for executing the new network commands in the mock client.
tests/Unit/GenericDockerContainerTest.php	Updates command index expectations and adds a separate-process test to force “outside Docker” behavior.
src/Internal/Containers/HostEnvironment.php	Adds Docker environment detection and hostname retrieval.
src/Internal/Commands/DockerNetworkConnect.php	Adds a command builder for docker network connect.
src/Internal/CommandHandler/ContainerCommandHandler.php	Executes network creation and (when inside Docker) connects the host container to the network before docker run.