[Request]: Subcommand for gathering debug data.

### Feature or enhancement request details

As a container user, I can run a CLI command to gather container resource info, logs, and system state, so that I can more effectively diagnose issues myself and receive community support.

This feature is a little tricky because the command could capture personal information and or secrets (if not properly kept out of container logs, for example). The command shall collect and bundle data, but transmitting the bundle is the user's responsibility.

Collection should be modularized so that the command can clearly report the types of data collected, and so that the user can include/exclude data categories as desired.

We might also consider building a wrapper around `sysdiagnose` that adds `container`-specific information.

### Code of Conduct

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