deps: update actions/github-script action to v5 (#1146)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [actions/github-script](https://togithub.com/actions/github-script) | action | major | `v3` -> `v5` |

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### Release Notes

<details>
<summary>actions/github-script</summary>

### [`v5`](https://togithub.com/actions/github-script/compare/v4...v5)

[Compare Source](https://togithub.com/actions/github-script/compare/v4...v5)

### [`v4`](https://togithub.com/actions/github-script/compare/v3...v4)

[Compare Source](https://togithub.com/actions/github-script/compare/v3...v4)

</details>

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### Configuration

📅 **Schedule**: At any time (no schedule defined).

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

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Author: renovate-bot