Update curlimages/curl Docker tag to v8.8.0 (#113)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [curlimages/curl](https://github.com/curl/curl-container) | stage | minor | `8.6.0` -> `8.8.0` |

---

### Release Notes

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

### [`v8.8.0`](https://github.com/curl/curl-container/blob/HEAD/CHANGELOG.md#880---2024-05-22)

[Compare Source](https://github.com/curl/curl-container/compare/8.7.1...8.8.0)

##### Changed

-   bump to curl 8.8.0

### [`v8.7.1`](https://github.com/curl/curl-container/blob/HEAD/CHANGELOG.md#871---2024-03-27)

[Compare Source](https://github.com/curl/curl-container/compare/8.6.0...8.7.1)

##### Changed

-   bump to curl 8.7.1

</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: #113
Co-authored-by: renovate-bot <bot@walbeck.it>
Co-committed-by: renovate-bot <bot@walbeck.it>

Dockerfile

@@ -1,4 +1,4 @@
-FROM curlimages/curl:8.6.0@sha256:c3b8bee303c6c6beed656cfc921218c529d65aa61114eb9e27c62047a1271b9b as snapcast
+FROM curlimages/curl:8.8.0@sha256:73e4d532ea62d7505c5865b517d3704966ffe916609bedc22af6833dc9969bcd as snapcast
 
 # renovate: datasource=github-tags depName=badaix/snapcast versioning=semver
 ENV SNAPCAST_VERSION v0.27.0