Update maxheld83/ghpages action to v0.3.0

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
maxheld83/ghpages	minor	v0.2.1 -> v0.3.0

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Release Notes

maxheld83/ghpages

### [`v0.3.0`](https://togithub.com/maxheld83/ghpages/releases/v0.3.0) [Compare Source](https://togithub.com/maxheld83/ghpages/compare/v0.2.1...v0.3.0) Migrated action to new yaml-based GitHub Actions.

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Renovate configuration

:date: Schedule: At any time (no schedule defined).

:vertical_traffic_light: Automerge: Disabled by config. Please merge this manually once you are satisfied.

:recycle: Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

:no_bell: Ignore: Close this PR and you won't be reminded about this update again.

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• [ ] If you want to rebase/retry this PR, check this box

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