Handle `psdk-use version`, `commit`, `mr`, `latest` subcommands

[AerunDev]

Description

As a developer, I want to target a specific version, commit, or MR to test or fix engine behavior.

Acceptance criteria

• psdk-use version <id> switches to an official release.
• psdk-use commit <id> switches to a specific commit.
• psdk-use mr <id> switches to the given MR branch.
• psdk-use latest switches to the latest dev commit.
• The project remains functional after each change.
• A clear message confirms the active version.