chore(deps): update dependency hcloud to v2.16.0 (#792)

This PR contains the following updates:

| Package | Change |
[Age](https://docs.renovatebot.com/merge-confidence/) |
[Confidence](https://docs.renovatebot.com/merge-confidence/) |
|---|---|---|---|
| [hcloud](https://redirect.github.com/hetznercloud/hcloud-python)
([changelog](https://redirect.github.com/hetznercloud/hcloud-python/blob/main/CHANGELOG.md))
| `2.15.0` → `2.16.0` |
![age](https://developer.mend.io/api/mc/badges/age/pypi/hcloud/2.16.0?slim=true)
|
![confidence](https://developer.mend.io/api/mc/badges/confidence/pypi/hcloud/2.15.0/2.16.0?slim=true)
|

---

### Release Notes

<details>
<summary>hetznercloud/hcloud-python (hcloud)</summary>

###
[`v2.16.0`](https://redirect.github.com/hetznercloud/hcloud-python/blob/HEAD/CHANGELOG.md#v2160)

[Compare
Source](https://redirect.github.com/hetznercloud/hcloud-python/compare/v2.15.0...v2.16.0)

##### Storage Boxes support is now generally available

The experimental phase for Storage Boxes is over, and Storage Boxes
support is now generally available.

##### Features

- **servers**: allow setting user\_data for rebuild
([#&#8203;627](https://redirect.github.com/hetznercloud/hcloud-python/issues/627))
- Storage Box support no longer experimental
([#&#8203;626](https://redirect.github.com/hetznercloud/hcloud-python/issues/626))

</details>

---

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scripts/vendor.py

@@ -22,7 +22,7 @@ from textwrap import dedent
 logger = logging.getLogger("vendor")
 
 HCLOUD_SOURCE_URL = "https://github.com/hetznercloud/hcloud-python"
-HCLOUD_VERSION = "v2.15.0"
+HCLOUD_VERSION = "v2.16.0"
 HCLOUD_VENDOR_PATH = "plugins/module_utils/_vendor/hcloud"