outdated: filter by package id

`choco outdated mypackage`

This command should show only the outdated status of the one package provided.

Example output:
```
choco outdated mypackage
Chocolatey v0.10.16
Outdated Packages
Output is package name | current version | available version | pinned?

mypackage|1.0.0|1.0.1|false
```

Basically it should check the outdated status of only that package.

Start at the `choco outdated` command entry point and trace how it determines outdated packages. Run the provided `choco outdated mypackage` example and compare the result with the expected single-package output; done means the command reports only the requested package while preserving the existing output format.

Written by the indexing model from the issue text.