move warning about local directory to on use

[stramel]

Moves the warning about a missing local directory/collection to only apply on usage of a local icon

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🦋 Changeset detected

Latest commit: 0e2baede77b534409c15eb09658f1cde3e8ec697

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

This PR includes changesets to release 1 package

| Name | Type | | ---------- | ----- | | astro-icon | Patch |

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Name	Status	Preview	Comments	Updated (UTC)
api-astroicon	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jun 30, 2023 4:44am
astroicon	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jun 30, 2023 4:44am