Update curlimages/curl Docker tag to v8.9.0 (#142)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [curlimages/curl](https://github.com/curl/curl-container) | stage | minor | `8.8.0` -> `8.9.0` |

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### Release Notes

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

### [`v8.9.0`](https://github.com/curl/curl-container/releases/tag/8.9.0)

[Compare Source](https://github.com/curl/curl-container/compare/8.8.0...8.9.0)

#### \[8.9.0] - 2024-07-24

##### Changed

-   bump to curl 8.9.0
-   bump to alpine 3.20.2

</details>

---

### Configuration

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

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---

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This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
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Reviewed-on: #142
Co-authored-by: renovate-bot <bot@walbeck.it>
Co-committed-by: renovate-bot <bot@walbeck.it>

Dockerfile

@@ -1,4 +1,4 @@
-FROM curlimages/curl:8.8.0@sha256:73e4d532ea62d7505c5865b517d3704966ffe916609bedc22af6833dc9969bcd as snapcast
+FROM curlimages/curl:8.9.0@sha256:4c1cc1c836054961219e03d71e3f48a993aa40b92c3482eed316e50ede4889d9 as snapcast
 
 # renovate: datasource=github-tags depName=badaix/snapcast versioning=semver
 ENV SNAPCAST_VERSION v0.27.0