ci: release notification

[gr2m]

Follow up to primer/react#3318

Description

This pull request does not affect any code. It's sole purpose is to enable users of primer/view_components to be notified whenever there is a new release by installing the primer-release-notifier app.

Integration

Does this change require any updates to code in production?

n/a

Merge checklist

n/a

[changeset-bot]

⚠️ No Changeset found

Latest commit: abf428b

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