feat(forge): add filtering to workspace()

[tugrulates]

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PR Overview

This PR adds filtering functionality to the workspace() function, allowing packages to be selectively returned based on glob pattern matching against their name or directory. Key changes include:

• Extending package options to include a "filter" field with accompanying documentation.
• Modifying the workspace() function to filter packages using glob patterns.
• Updating CLI commands and tests to use the new filter option.

Reviewed Changes

File	Description
tool/forge/package.ts	Added "filter" option to PackageOptions and integrated glob pattern filtering in workspace().
tool/forge/package.test.ts	Updated tests to validate the filtering behavior and adjusted usage of repository directory.
tool/forge/cli.ts	Revised CLI command actions to propagate filter parameters to workspace().

Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.

Comments suppressed due to low confidence (1)

tool/forge/cli.ts:36

• [nitpick] Consider renaming the rest parameter 'filter' to a more descriptive name (e.g. 'patterns' or 'packageFilters') to reduce potential confusion with the built-in Array.filter method.

.action(async (options, ...filter) => {