Update curlimages/curl Docker tag to v8.6.0 (#102)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [curlimages/curl](https://github.com/curl/curl-container) | stage | minor | `8.5.0` -> `8.6.0` |

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### Release Notes

<details>
<summary>curl/curl-container (curlimages/curl)</summary>

### [`v8.6.0`](https://github.com/curl/curl-container/blob/HEAD/CHANGELOG.md#860---2024-01-31)

[Compare Source](https://github.com/curl/curl-container/compare/8.5.0...8.6.0)

##### Changed

-   bump to curl 8.6.0
-   bump to alpine 3.19.1

</details>

---

### Configuration

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♻ **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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This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
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Reviewed-on: #102
Co-authored-by: renovate-bot <bot@walbeck.it>
Co-committed-by: renovate-bot <bot@walbeck.it>

Dockerfile

@@ -1,4 +1,4 @@
-FROM curlimages/curl:8.5.0@sha256:08e466006f0860e54fc299378de998935333e0e130a15f6f98482e9f8dab3058 as snapcast
+FROM curlimages/curl:8.6.0@sha256:c3b8bee303c6c6beed656cfc921218c529d65aa61114eb9e27c62047a1271b9b as snapcast
 
 # renovate: datasource=github-tags depName=badaix/snapcast versioning=semver
 ENV SNAPCAST_VERSION v0.27.0