chore(deps): update docker/setup-buildx-action action to v4 (#1658)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) | action | major | `v3.12.0` → `v4.0.0` |

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### Release Notes

<details>
<summary>docker/setup-buildx-action (docker/setup-buildx-action)</summary>

### [`v4.0.0`](https://github.com/docker/setup-buildx-action/releases/tag/v4.0.0)

[Compare Source](docker/setup-buildx-action@v3.12.0...v4.0.0)

- Node 24 as default runtime (requires [Actions Runner v2.327.1](https://github.com/actions/runner/releases/tag/v2.327.1) or later) by [@&#8203;crazy-max](https://github.com/crazy-max) in [#&#8203;483](docker/setup-buildx-action#483)
- Remove deprecated inputs/outputs by [@&#8203;crazy-max](https://github.com/crazy-max) in [#&#8203;464](docker/setup-buildx-action#464)
- Switch to ESM and update config/test wiring by [@&#8203;crazy-max](https://github.com/crazy-max) in [#&#8203;481](docker/setup-buildx-action#481)
- Bump [@&#8203;actions/core](https://github.com/actions/core) from 1.11.1 to 3.0.0 in [#&#8203;475](docker/setup-buildx-action#475)
- Bump [@&#8203;docker/actions-toolkit](https://github.com/docker/actions-toolkit) from 0.63.0 to 0.79.0 in [#&#8203;482](docker/setup-buildx-action#482) [#&#8203;485](docker/setup-buildx-action#485)
- Bump js-yaml from 4.1.0 to 4.1.1 in [#&#8203;452](docker/setup-buildx-action#452)
- Bump lodash from 4.17.21 to 4.17.23 in [#&#8203;472](docker/setup-buildx-action#472)
- Bump minimatch from 3.1.2 to 3.1.5 in [#&#8203;480](docker/setup-buildx-action#480)

**Full Changelog**: <docker/setup-buildx-action@v3.12.0...v4.0.0>

</details>

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### 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 is behind base branch, 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

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This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
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Reviewed-on: https://codeberg.org/umati/Sample-Server/pulls/1658
Co-authored-by: umati-bot <git-bot@umati.org>
Co-committed-by: umati-bot <git-bot@umati.org>

Author: umati-bot

.forgejo/workflows/build.yml

@@ -68,7 +68,7 @@ jobs:
         uses: docker/setup-qemu-action@v4
 
       - name: Set up Buildx
-        uses: docker/setup-buildx-action@v3.12.0
+        uses: docker/setup-buildx-action@v4.0.0
 
       - name: Set Registry and prepare Image Names
         # yamllint disable rule:line-length

.github/workflows/build.yml

@@ -79,7 +79,7 @@ jobs:
         uses: docker/setup-qemu-action@v4
 
       - name: Set up Buildx
-        uses: docker/setup-buildx-action@v3.12.0
+        uses: docker/setup-buildx-action@v4.0.0
 
       - name: Set Registry and prepare Image Names
         # yamllint disable rule:line-length