PVC Deprecations and configurable auto-correct

[mxriverlynn]

⚠️ WORK IN PROGRESS ⚠️

Description

As a first step to improving the deprecation architecture in PVC, this PR moves away from a hard coded hash of what components are deprecated, in favor of a deprecations.yml file.

By providing the deprecation configuration as a yaml file, opportunities are opened for other applications to use this deprecation system. For example, an experimental component in dotcom may be marked as deprecated in favor of an alpha or beta version. Rather than forcing the component to be moved into PVC, a separate yaml file with deprecations can be registered in addition to the built in file.

This also prepares PVC for additional architectural changes with deprecations. This will include the addition of a "guide" setting for deprecations, to ensure developers using PVC have the information they need for migrating components that are not auto-correctable.

Changes

• created lib/deprecations/deprecations.yml to replace the hard coded list of deprecations
• test the basics of the yml configuration
• test to ensure all components with status: :deprecated are represented in deprecations.yml
• added script/build-assets to the script/setup file, to ensure test can be run immediately after setup
• updated all the code that relies on the deprecations
• edited popover.pcss to remove & from commented, preventing test failures

Integration

Does this change require any updates to code in production?

none

Merge checklist

• Added/updated tests
• Added/updated documentation
• Added/updated previews

[changeset-bot]

🦋 Changeset detected

Latest commit: 384d3dd

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@primer/view-components	Patch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR