Update binwiederhier/ntfy Docker tag to v2.16.0 (#3334)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [binwiederhier/ntfy](https://ntfy.sh/) ([source](https://github.com/binwiederhier/ntfy)) | minor | `v2.15.0` → `v2.16.0` |

---

> ⚠️ **Warning**
>
> Some dependencies could not be looked up. Check the Dependency Dashboard for more information.

---

### Release Notes

<details>
<summary>binwiederhier/ntfy (binwiederhier/ntfy)</summary>

### [`v2.16.0`](https://github.com/binwiederhier/ntfy/releases/tag/v2.16.0)

[Compare Source](https://github.com/binwiederhier/ntfy/compare/v2.15.0...v2.16.0)

This release adds support for  [updating and deleting notifications](https://docs.ntfy.sh/publish/#updating-deleting-notifications), [heartbeat-style / dead man's switch notifications](https://docs.ntfy.sh/publish/#scheduled-delivery), [custom Twilio call format](https://docs.ntfy.sh/config/#phone-calls), and makes `ntfy serve` work on Windows. It also adds a "New version available" banner to the web app.

This one is very exciting, as it brings a lot of highly requested features to ntfy.

**Features:**

- Support for [updating and deleting notifications](https://docs.ntfy.sh/publish/#updating-deleting-notifications) ([#&#8203;303](https://github.com/binwiederhier/ntfy/issues/303), [#&#8203;1536](https://github.com/binwiederhier/ntfy/pull/1536), [ntfy-android#151](https://github.com/binwiederhier/ntfy-android/pull/151), thanks to [@&#8203;wunter8](https://github.com/wunter8) for the initial implementation)
- Support for heartbeat-style / [dead man's switch](https://en.wikipedia.org/wiki/Dead_man%27s_switch) notifications aka
  [updating and deleting scheduled notifications](https://docs.ntfy.sh/publish/#scheduled-delivery) ([#&#8203;1556](https://github.com/binwiederhier/ntfy/pull/1556), [#&#8203;1142](https://github.com/binwiederhier/ntfy/pull/1142), [#&#8203;954](https://github.com/binwiederhier/ntfy/issues/954), thanks to [@&#8203;GamerGirlandCo](https://github.com/GamerGirlandCo) for the initial implementation)
- Configure [custom Twilio call format](https://docs.ntfy.sh/config/#phone-calls) for phone calls ([#&#8203;1289](https://github.com/binwiederhier/ntfy/pull/1289), thanks to [@&#8203;mmichaa](https://github.com/mmichaa) for the initial implementation)
- `ntfy serve` now works on Windows, including support for running it as a Windows service ([#&#8203;1104](https://github.com/binwiederhier/ntfy/issues/1104),  [#&#8203;1552](https://github.com/binwiederhier/ntfy/pull/1552), originally [#&#8203;1328](https://github.com/binwiederhier/ntfy/pull/1328),  thanks to [@&#8203;wtf911](https://github.com/wtf911))
- Web app: "New version available" banner ([#&#8203;1554](https://github.com/binwiederhier/ntfy/pull/1554))

</details>

---

### 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.

---

 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box

---

This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0Mi42OS4yIiwidXBkYXRlZEluVmVyIjoiNDIuNjkuMiIsInRhcmdldEJyYW5jaCI6Im1haW4iLCJsYWJlbHMiOlsiaW1hZ2UiXX0=-->

Reviewed-on: https://gitea.alexlebens.dev/alexlebens/infrastructure/pulls/3334
Co-authored-by: Renovate Bot <renovate-bot@alexlebens.net>
Co-committed-by: Renovate Bot <renovate-bot@alexlebens.net>

clusters/cl01tl/helm/ntfy/values.yaml

@@ -9,7 +9,7 @@ ntfy:
         main:
           image:
             repository: binwiederhier/ntfy
-            tag: v2.15.0
+            tag: v2.16.0
             pullPolicy: IfNotPresent
           args: ["serve"]
           env: