Update oven-sh/setup-bun action to v2 (#10)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [oven-sh/setup-bun](https://github.com/oven-sh/setup-bun) | action | major | `v1` -> `v2` |

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### Release Notes

<details>
<summary>oven-sh/setup-bun (oven-sh/setup-bun)</summary>

### [`v2`](https://github.com/oven-sh/setup-bun/releases/tag/v2)

[Compare Source](https://github.com/oven-sh/setup-bun/compare/v1...v2)

`oven-sh/setup-bun` is the github action for setting up Bun.

This release introduces support for the `bun-version-file` option, fixes [#&#8203;79](https://github.com/oven-sh/setup-bun/issues/79), and adds bun paths & urls to the output ([#&#8203;81](https://github.com/oven-sh/setup-bun/issues/81))

For more information, see [#&#8203;76](https://github.com/oven-sh/setup-bun/pull/76) by [@&#8203;adeherysh](https://github.com/adeherysh) and [#&#8203;80](https://github.com/oven-sh/setup-bun/pull/80) by [@&#8203;xHyroM](https://github.com/xHyroM) 🎉

**Full Changelog**: <https://github.com/oven-sh/setup-bun/compare/v1...v2>

</details>

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

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

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

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

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 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box

---

This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
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Reviewed-on: https://git.valverde.cloud/Thilawyn/effect-fc/pulls/10
Co-authored-by: Renovate Bot <renovate-bot@valverde.cloud>
Co-committed-by: Renovate Bot <renovate-bot@valverde.cloud>

.gitea/workflows/publish.yaml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Setup Bun
-        uses: oven-sh/setup-bun@v1
+        uses: oven-sh/setup-bun@v2
       - name: Clone repo
         uses: actions/checkout@v5
       - name: Install dependencies