chore(deps): update actions/checkout action to v4 (#6)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [actions/checkout](https://togithub.com/actions/checkout) | action | major | `v2` -> `v4` |

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### Release Notes

<details>
<summary>actions/checkout (actions/checkout)</summary>

### [`v4`](https://togithub.com/actions/checkout/blob/HEAD/CHANGELOG.md#v417)

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

-   Bump the minor-npm-dependencies group across 1 directory with 4 updates by [@&#8203;dependabot](https://togithub.com/dependabot) in [https://github.com/actions/checkout/pull/1739](https://togithub.com/actions/checkout/pull/1739)
-   Bump actions/checkout from 3 to 4 by [@&#8203;dependabot](https://togithub.com/dependabot) in [https://github.com/actions/checkout/pull/1697](https://togithub.com/actions/checkout/pull/1697)
-   Check out other refs/\* by commit by [@&#8203;orhantoy](https://togithub.com/orhantoy) in [https://github.com/actions/checkout/pull/1774](https://togithub.com/actions/checkout/pull/1774)
-   Pin actions/checkout's own workflows to a known, good, stable version. by [@&#8203;jww3](https://togithub.com/jww3) in [https://github.com/actions/checkout/pull/1776](https://togithub.com/actions/checkout/pull/1776)

### [`v3`](https://togithub.com/actions/checkout/blob/HEAD/CHANGELOG.md#v360)

[Compare Source](https://togithub.com/actions/checkout/compare/v2...v3)

-   [Fix: Mark test scripts with Bash'isms to be run via Bash](https://togithub.com/actions/checkout/pull/1377)
-   [Add option to fetch tags even if fetch-depth > 0](https://togithub.com/actions/checkout/pull/579)

</details>

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.github/workflows/publish.yml

@@ -12,7 +12,7 @@ jobs:
     permissions: 
       id-token: write
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Set up Node
         uses: actions/setup-node@v4